bio bay boat tour fajardo

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Printed on 04 May 2024 from PuertoRicoDayTrips.com

Visit the Fajardo BioBay in an Electric Boat

2/22- BioIsland is making reservations and a wait list for tours….If you want to go on an electric boat, check them out!

Puerto Rico is blessed with a natural phenomenon that is found in only a few other places on earth — it has 3 year-round bioluminescent bays (or BioBays). There is La Parguera in Lajas in the south-west of Puerto Rico, Mosquito Bay on Vieques and, the most visited one, Laguna Grande in Fajardo in the north-east of Puerto Rico.

I am so happy to say that there is now an eco-friendly way to visit Laguna Grande without having to kayak or walk. Bio Island is the company that offers an electric motor boat tour that is both safe for the environment and fun.

Bio Island’s Boat

The boat they use has a duel motor. The motor it has been approved by the DRNA. Bio Island tour is really eco-friendly. They use a really quiet Minn Kota electric motor that is mounted on the Honda low emissions gas motor, so it can be interchanged by a flick of a switch. They use the gas motor until they get into the channel and then switch over to electric. The boat is a small Carolina Skiff , so it has a very low profile — not much deeper than the kayak bottoms.

There was always a question about the other electric boat company following the DRNA rules and whether they used the electric motor, so when I went on this tour with this new company, I did it anonymously. I really watched and asked lots of questions and I am happy to say they followed all the DNRA rules and have a few ecologically friendly ones of their own too (like no eating/drinking in the boat- so no trash ends up in the water). And they are even applying to get "Blue Flag" status for their boat/trip. Yea!

Our Trip into Laguna Grande

The tour was really nice (and relaxing!). I went out with some older guests, who were staying in our rental , who were unable to kayak or walk very far, and the Vieques trip was out of their budget. This trip was perfect for them!

We left from the Las Croabas boat ramp, where they helped us into the boat. Since we were all together, we could all talk, interact and learn the whole time. Throughout the tour Captains Ron and Charlie told us about the boat/engine, the other boats docked in the Las Croabas area, the Biobay, the fish, the dinoflagellates, and they even had some jokes to tell — lots of good information. Charlie and Ron were such gentlemen, too — when it started to rain, they gave their jackets to the older ladies in our boat. I think they offer great customer service.

The tour lasts approximately 1½ hours. Since we got through the channel and into the lagoon quickly, we were able to spend about 45 minutes in the biobay itself — swirling our hands in the water to see the glow, smacking the boat to scare the fish and watching their glowing paths, talking and enjoying the stars and the evening. On the return trip, we stopped to wait while the many kayaks made their way through the channel, so we didn’t collide with them.

The bay is connected to the ocean, so as the tides change, it does get to be low tide and the channel gets shallow. The motor is the deepest part on their boat, so they lift it to avoid hitting the bottom and stirring up the silt. On the way back, after we got out of the channel and into the marina, there is a very shallow area. So Captains Ron and Charlie had to get out of the boat and walk the boat across the sandbar. We just sat there and cheered them on! Both before and after the trip, they had chips and water/soda for us to enjoy.

I really liked this tour. I think it is a great option for people who are unable to do one of the kayaking tours, such as people with small kids, elderly, handicapped, etc. or people who just don’t want to kayak. It is easy and eco-friendly. The only negative is that space is limited — they can carry a maximum of 6 people per tour.

The cost is just a little more than the kayak trips. Reserve your trip online.

If you're happy, let them know it — Don't forget to tip your your bartender, tour guide or trip operator if you enjoyed yourself. Gratuities are appreciated and typically aren't included in the price they charge you.

They have 2 boats available for tours, so group 1 and Group 2 are at each time. They do 1-2 trips per night, depending on the season and demand. Check trip times on their reservation page (changes with season). They operate Monday through Friday, may will start Saturday tours when demand picks up. They take Sunday night off.

Minimum age for kids is 2 years old. It really depends on the size of the child and if an infant life vest fits securely.

Allow about 1½ hours for the trip, plus a little time before and after.

You can call them at 787-422-7857 for more information.

You can visit their web site for more information or make an on-line reservation! Click on the date (even if green) to see available openings.

As with any trip into any of the biobays, be sure to check our biobay/moon calendar to make sure the moon will be favorable for viewing the biobay on the night you want to go.

Las Croabas boat ramp is located at the end of Road 987 in Fajardo.

Click on a placename below to view the location on Google Maps ...

• Las Croabas

PuertoRicoDayTrips.com assumes no responsibility regarding your safety when participating in the activities described in this article. Please use common sense! If your mother or that little voice in your head tells you that you are about to do something stupid … then don't do it! Read more about Safety →

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"A FIVE-STAR tour company"

BioIsland PR

Las Croabas in Fajardo, Puerto Rico is a little village at  the east of the island, surrounded by the sea and that  some years ago was essentially inhabited by fishermen.

There, and surrounded by miles of “Mangrove trees”  you will find the “Laguna Grande”. When I was a little boy, I used to play through the narrow footpaths of the place that I considered the most beautiful of the world.

My mind was full of curious questions… why the water was shining with so many stars, why the fishes were  always seen through it and so many, many more… All  those questions will be answered to you, and to the rest of the world, in this trip to the place that I still consider as the most beautiful of the world.

Book a tour

Boat trip to biobay, monday-friday 1hr 15 min $65 +tax per person.

6 Best Laguna Grande Bio Bay Tours In Fajardo (2024)

• Bioluminescent Bays
• Laguna Grande Bio Bay

Laguna Grande is one of three bio bays in Puerto Rico.

It is located in Fajardo , which is only an hour drive from San Juan , the capitol of Puerto Rico.

I’ve been to Laguna Grande Bio Bay , and can confirm that this is a magical experience that you must do. 

In this article, I will cover the 6 best bioluminescence tours in Laguna Grande:

1. PuertoRico.com Tours – Bio Kayak Tour

PuertoRico.com Tours offers a fun and exciting kayak tour in Laguna Grande.

Kayak at night through a mangrove forest until you reach the world famous bio bay.

Here, you will see the water glow and sparkle each time your paddle moves through it.

You can book your tour with PuertoRico.com Tours here .

2. BioIsland Tours – Bio Bay in Boat

One of the least-known ways to visit the bay is by taking a boat tour with Bio Bay Island Tours.

On this tour you’ll:

• Navigate through the red mangrove forest
• Hear a local explain how the ecosystem in the bay works 
• Receive a long pole to agitate the water from the boat
• See night constellations

Visiting by boat tour is the best and safest way to visit with kids and the elderly. It’s also pretty easy to take pictures without worrying about your kayak tipping over. 

The only downside it’s they only operate from Monday to Thursday. If you’re visiting on the weekend, you’ll have to choose another tour.

3. Bespoke Lifestyle Management – Rainforest and Bio Bay Combo

This Bespoke Lifestyle Management tour offers the opportunity to explore both Laguna Grande and El Yunque, two of Puerto Rico’s main attractions. 

This tour includes:

• Exploring the only tropical rainforest in the United States
• Climbing the Yokahu Tower in El Yunque
• Visiting one of El Yunque’s waterfall
• Local insight about Puerto Rico’s flora and fauna
• Kayaking in Laguna Grande Bio Bay

This excursion is great to see the best of Puerto Rico on a single day. But, you do have to be in good physical condition to take it.

4. Puerto Rico Access Tours – El Yunque Hike and Bio Bay Night Kayaking Tour

This 10-hour tour promises a day full of adventure and fun.

You’ll explore three of Puerto Rico’s main attractions including El Yunque, Luquillo Beach, and Laguna Grande Bio Bay.

• Get picked up and dropped off from San Juan
• Hike in El Yunque Rainforest
• Bathe in El Yunque’s river
• Swim at Luquillo’s Beach
• Eat at Luquillo’s Food Kiosks
• Kayak in Laguna Grande

5. Yokahu Kayak Trips – Bio Bay Kayaking

This Yokahu Kayak Trips tour is one of the most popular trips to Laguna Grande in Fajardo.

• Kayaking training
• Kayaking through the red mangrove forest
• Guided tour with an explanation of how bioluminescence happens
• Pictures of you posted on social media

You can also ask for group rates if you’re visiting with a large group or asks for private VIP tours.

6. Para La Naturaleza – Bioluminescence and light pollution

Another unique way to visit the bioluminescent bay in Puerto Rico is by taking a Para La Naturaleza walking tour.

On this tour you will:

• A guided walk through Las Cabezas de San Juan Nature Reserve 
• Insight into the local flora and fauna
• Walk through the mangrove forest and hiking trails until 
• Stand on a dock that borders Laguna Grande 

FAQ section

Do you need to take a tour to visit laguna grande bioluminescent bay.

Yes, you need to take a tour to visit Laguna Grande Bioluminescent Bay in Fajardo. Since it’s a protected area, only authorized tour operators can go out to the bay.

How do you get to Laguna Grande?

You can get to Laguna Grande by taking a kayak or a boat tour from Fajardo’s Kayak Village. To get there from San Juan, you either need to drive a rental car or pay for a shuttle.

Final thoughts

Laguna Grande Bio Bay is a once in a life time experience. 

Seeing thousands of sparkles in the water as you kayak through the bioluminescent bay is magical.

I recommend that you book your tour with PuertoRico.com Tours .

There are three different bio bays in Puerto Rico. I recommend that you read our article Puerto Rico Bioluminescent Bays – All You Need To Know to learn which is best for you.

Also, check out our article When Is The Best Time To Visit A Bioluminescent Bay In Puerto Rico before booking your tour. 

Vanessa Ramos

Writer at PuertoRico.com. I’m an avid traveler and freelance writer from Puerto Rico. I love the outdoors, coffee, hiking, and letters. When I’m not inside typing letters on my laptop, I’m out exploring the hidden treasures that Puerto Rico has to offer!

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13 Things I Wish I Knew Before Taking the Fajardo Bioluminescent Bay Tour in Puerto Rico

• Activities and Interests
• Destinations
• Mexico and Caribbean
• Puerto Rico
• Sightseeing

Note: The Travel Awaits team regularly updates content to provide the latest, and most accurate information to our readers. The updated content in this article may not reflect the views or opinions of the original author.

I sat silently in my kayak, one hand swirling the water outside the boat. With each gentle swish, a miniature constellation of underwater “stars” twinkled around my fingers. In the kayak beside me, a woman spun her paddle in the water and gasped at the tiny explosion of light. Ahead of me, the comet-like streak of green in the water indicated a fish swimming near the surface. That’s the magic of Bio Bay tours.

I’d come to Isla de Vieques, off Puerto Rico’s main island on a kayaktrip in its world-famous bioluminescent bay. The experience was everything I’d hoped for — a stroke of luck, given how poorly I’d arranged my trip. Getting the most out of a bio bay tour requires a lot of advance planning, and, in the case of Vieques, more cash than you might expect.

Here’s what I wish I knew before making the trip.

13 Things I Wish Somebody Told Me Before Taking the Fajardo Bioluminescent Bay Tour in Puerto Rico

1. bioluminescence is surprisingly common.

Much like fireflies do on land, single-celled, water surface–dwelling organisms called dinoflagellates, a type of plankton, can emit light underwater. They aren’t the only marine organisms that glow. Some 1,500 species of fish are known to luminesce, as well as certain types of squid, jellyfish, worms, and crustaceans. Many use bioluminescence as lures for food or mates, or to confuse predators.

Although dinoflagellates are microscopic, they often form large colonies. The human eye doesn’t detect the bioluminescence when a water body is still. But when disturbed, such as by wind that ripples the surface or the slicing of a boat hull through the water, our eyes translate the light wavelengths into glow-in-the-dark sparkles and zigzags of green or blue-green.

2. Puerto Rico Has Three Bioluminescent Bays

The planet currently has five ecosystems where dinoflagellate concentrations are high enough to consistently cause this bioluminescent phenomenon. Puerto Rico claims three of them where Bio Bay tours are organized.

In Fajardo, along the east coast of the main island , Laguna Grande is the most trafficked of the trio. It’s not as bright as the others, but at only an hour by car from San Juan , it’s the easiest to get to. This also makes it the most touristy of the bunch.

A few of the better-known Laguna Grande tour operators include:

• Eco Adventures
• Kayaking Puerto Rico
• Yokahú Kayak Trips
• Puerto Rico Bio Bay Tours

In Lajas, on the opposite corner of the main island, La Parguera is the least visited of the three bays. At about 2.5 hours from San Juan, it’s a much longer drive than Laguna Grande, but a worthwhile stop if you’re visiting the western side of Puerto Rico.

Some Bio Bay tours allow swimming in La Parguera. Because chemicals in bug repellents, sunscreens, and body lotions can kill the phytoplankton, you’ll need to shower before joining a tour that includes swimming or diving through the bio bay.

Try one of these La Parguera tour operators:

• Parguera Eco Tours
• Bio Bay Tours
• Kayaking Parguera
• Alelí Tours

The granddaddy of all bioluminescent bays, and the brightest in the world, is Mosquito Bay in Vieques. Although Hurricane Maria devastated the island in 2017, Mosquito Bay’s dinoflagellate population has, miraculously, doubled since then. On a dark night, you’re almost guaranteed to see something spectacular.   

Tour operators on Vieques include:

• Abe’s Snorkeling
• Black Beard Sports
• Vieques Kayaks Bio Bay
• Jak Water Sports

3. Booking A Tour Can Lead To Unexpected Expenses

You can rent a car and drive to Laguna Grande or La Parguera. Mosquito Bay isn’t connected to the main island, so you’ll need to take a ferry (about $40 per person) or small plane (about $120 per person) from Ceiba, or fly directly from San Juan (about $130 per person), to get there. Depending on the time of year, ferry and flight service may or may not be available after 7 p.m. Residents of Laguna Grande are given preference on the ferry, which means you could get bumped from an especially full voyage.

In addition, many bio bay kayaking tour operators require an address where you’ll be staying on the island in order to complete booking. Since cars aren’t allowed on the ferry to Vieques, you must rent a car or line up a taxi ride once on the island.

The short story: It’s best to plan an overnight stay on the island.

Between our flights, taxi, accommodations in the least expensive Airbnb we could find, and the tour itself, my husband and I spent about $450 on this portion of our kayak trip. Allow for more costs if you plan a day trip to El Yunque National Forest – the only tropical rainforest in the U.S. National Forest System.

We chose Abe’s Snorkeling for our excursion. The sea life kayaking experience was very good overall, although the tour operator, like an airline, oversold their 7 p.m. tour. About a dozen of us were bumped, with no notice, to the 9 p.m. slot. For our trouble, our guide offered each pairing of people a refund on one ticket.

4. Almost Anyone Can Do It

Bio bay kayaking is appropriate for most levels of ability. The water is usually calm, and paddling is done at a laid-back pace, mostly in two-person boats. Because you’re kayaking in the dark, it’s important to follow your tour guide and his instructions and stick close to your tour group. This could be tricky for travelers with vision or hearing impairments. If you’ve got grandkids in tow, ask about age restrictions.

5. Know Your Moon Cycles, And Book In Advance

You might be able to book a tour on the fly, but I wouldn’t risk it. Most fill up several months in advance, especially during the high season.

Although Puerto Rico’s bays luminesce year round, you’ll have the best experience on a dark night. Kayaking during a new moon is preferable because the glow percentage is usually higher. Using a moon phases calendar will help you chart out the best time to go.

Most operators don’t even run tours 3 days before or after a full moon. We didn’t realize this when we booked our Puerto Rican vacation. Fortunately, the final night was just beyond the full-moon window.  

The day before or the morning of your excursion, call your tour operator to check on the bay’s brightness; it should be a minimum of 30 percent. In addition to the moon, tides and water temperature affect how much color you see.

6. Ask About Clear-Bottomed Boats

Some tour companies offer clear-bottomed boats, which allow for a unique look at the bioluminescence directly underneath you. This isn’t the default option, so be sure to ask if it’s important to you.

7. Dress To Get Wet

Wear comfortable clothing, such as shorts and a T-shirt, preferably made of tech or quick-drying fabrics; some splashing is normal during any kayaking outing. Pants and shorts with zipper pockets are useful for storing a credit card, in case you want to stop at a restaurant or bar on the way back to your hotel or Airbnb (no need to take a full wallet or cash). Sturdy walking sandals, knit sneakers, or aqua shoes are all good choices for footwear.

Don’t count on being able to stash extra clothing or shoes with the tour operator; take only what you need.

8. Skip The Sunscreens And Skin Lotions

Wash your hands and feet before the trip, and don’t apply any moisturizer, serums, or lotions. You’ll be allowed to dip toes and fingers in the water, but chemicals from common skin products can kill the dinoflagellates.

9. It’s Okay To Take Your Phone

Your bio bay tour guide will tell you to leave your cell phone behind, ostensibly because its camera won’t be able to capture the glow. This may be true, or it may be an effort to reduce the sharing of images, which might, in turn, lead to a reduction in tour purchases. I regretted listening to this advice. I think I could have used my cell phone camera in manual mode and gotten sufficiently long exposures to get quality and free photos of some of the luminescence.

Bottom line: There’s no harm in taking your phone, as long as you seal it in a floating dry bag, and wear it on a lanyard around your neck. Just be aware that if you accidentally overturn your kayak, you might have trouble retrieving the phone in the dark. And don’t spend all your time taking pictures. The best part of the experience is staying in the moment and enjoying the display.

10. Be Prepared For A Wild Ride

The drive out to the bio bay is a bit like riding a roller coaster without a seat belt. Our bus driver clearly had been making this drive for years, and he knew every pothole and curve in the road — and took most of them at a robust clip. In the dark. I had to pry my fingers out of the seat upholstery after he swerved through small herds of the island’s free-roaming horses. Fortunately, he didn’t hit any.

Pro Tip: About those Viequense horses: They’re not wild, even if tourism brochures and resorts market them as such. All are owned by residents and are set free to browse the island’s grasses when not being used as transportation. Sadly, these beautiful animals are frequently killed in road accidents. If you rent a car, drive slowly and cautiously.

11. Keep Your Expectations In Check

Nature is fickle, and an evening of 100 percent glow might be followed by one of less than 30 percent. To make matters worse, all promotional images of Bio Bay tours are Photoshopped. While it is a breathtaking sight, you will not be engulfed in a happy blue halo, nor will the water light up on its own. What you’ll see is more akin to an underwater shower of glitter every time you or your tour mates dip an oar or hand into the bay.  

12. Bio Bay Tour Without Kayaks

Is there another means of transportation to get to the bay? Yes, there is now an eco-friendly way to visit Laguna Grande without having to kayak. Bio Island is a company that offers an electric motorboat tour that is both fun and safe for the environment.

They use a really quiet electric motor approved by the DRNA. A low-emission gas motor is used until the boat gets into the channel and then they switch to electric. Being a small Carolina Skiff, the boat has a very low profile, not much deeper than the kayak bottoms.

13. Bio Bay Is Virtually Impossible to Photograph

This is because the illumination is not originating from the water itself, but rather the dinoflagellates in the water. The images that you see online are captured using long exposure techniques, and don’t look anything like the real thing. 

However, the elusive nature of capturing the Bio Bay on film doesn’t mean that it is at all subtle. If you go out when the bay is particularly active you’ll never experience anything so stunningly surreal and beautiful. You should only hope that someday you’ll be lucky enough to see it again.

Is Bioluminescent Bay Kayak Trip Worth The Extra Trouble And Expense?

That’s a big yes. Although I can’t speak for Laguna Grande or La Parguera, kayaking Mosquito Bay was as close to magical as an outdoor experience can get. The bay is wide open and hushed, and even with other groups of kayakers out on the water, it felt like we were the only ones. Paddling was relaxed over the hour and a half we spent out on the water. Even the inexperienced kayakers had a great time.

Because I’d read up in advance and scaled my expectations, I wasn’t disappointed. The bioluminescent glow was actually more pronounced than I figured it would be, with miniature fireworks going off each time a boat pushed through the water. It wasn’t the neon blue radiance shown on tour websites, but it still felt otherworldly, like holding a galaxy of tiny stars in my palms. Aside of Puerto Rico, you can also see bioluminescent water on the Southern California coas t.

When Is the Best Time for a Kayak Trip in Bio Bay in Puerto Rico?

Generally, the best time for a kayak trip is around the new moon when there is less moonlight in the sky to interfere with the glow. Many factors affect how visible the bioluminescence is on any given night, including cloud cover which may help to block the moon and its light.

Why Is the Bio Bay Closed for Three Days Each Month During the Full Moon?

The Department of Natural Resources in Puerto Rico does not allow any tours during those days every month so that Bio Bay can get some  “rest” from human interaction.

Can I Go to See the Bio Bay in Puerto Rico on My Own?

No. Bio Bay is only open to tour companies with DRNA permits, not individuals. It is safest to go with a reputable and insured tour company with a tour guide who will explain the biology of the fragile ecosystem there for you.

Can Small Children Go On Bio Bay Tours in Puerto Rico?

Yes, tour companies take infants and young children on their Bio Bay tours. Infant and child life vests are available and the kids will be seated in a parent’s lap in the kayak. Inexperienced kayakers are advised not to kayak with kids.

What Should I Bring for My Bio Bay, Puerto Rico Tour?

You should bring a towel, natural DEET-free bug spray, and some kind of water shoes. For our day tours, you should also bring sunscreen and protective clothing like rash guards and hats if you like.

A specialist in coastal travel, the northeast U.S., and Spain, Robin is a travel journalist and the writer behind the travel blog Once More to the Shore . Her work has appeared in National Geographic , Travel + Leisure , TIME , Smithsonian , Conde Nast Traveler , AFAR , Hemispheres , and a range of other publications, both national and regional.

A New Englander by birth now living in the Hudson Valley, Robin understands the call of the sea, and the allure of rock-strewn beaches and shrouded forests. She also knows that a Maine-style lobster roll — the one true lobster roll — is best paired with a crisp hard cider, and that nothing beats a Rhode Island clam cake.

An honorary Spaniard by marriage, Robin visits Spain at least once a year, and has never met a town or tapa she didn’t like. When she’s not writing about travel, she can usually be found exploring regional lakes in her inflatable kayak, hiking the Taconics, or attempting to snap the perfect photo of the wildlife around her home.

• La Parguera
• Moon Calendar

Bio Bay Tours in Fajardo

It seems you have decided to go for a tour to the bio bay in Fajardo and that is a good choice! Close to San Juan, it is the best one if you want to maximize your time and budget on the island. To help you choose we prepared you a selection of four guided tour companies in Fajardo with pros and cons for each of them.

Eco Tour Puerto Rico

Since 1997 Puerto Rico Bio Bay Tours LLC is offering bio bay tours in Fajardo. As a result, they have been reviewed a lot. I would say it is a reasonable choice regarding their comments. Not more than 55$ per adult but they will charge you the same for a child above +6. Moreover, they have two departures times 6 pm and 8 pm and the tour lasts 3 hours.

PRO: Unique 3 hours tour, Special full moon tour CONS: Only children above 6 are allowed

Kayaking Puerto Rico

Created in 2007 this company is offering a combo, Rain Forest and Bio Bay Tour on the same day for 155$ per person. Speaking about their classic bio bay tour on Laguna Grande the price is 55$. Two departure times are 6:30 pm and 8:30 pm and the tour lasts 2 hours only.

PRO: They offer a combo tour CONS: 2hours tour and only children above 6 are allowed

Yokahu Kayaks Trips

This company was less known than the two first ones on this list. As a result, Yokahu Kayaks Trips used to be a bit cheaper. Unfortunately, the prices are now the same as most of the competitors. 55$ with a 2 hours bio bay tour, for instance. Or 115$ for a combo Bio bay and Rainforest tours on the same day. Those prices apply to adults and children above 6 years old.

PRO: Combo tour offer, Cheapest prices for the classic Bio Bay Tour CONS: Only a 2hours tour, Only children above 6 are allowed

Eco Adventures Kayaks

A family business that claims to be involved in beach clean-ups. They are offering the classic 2 hours bio bay tour in Fajardo for 50$ per adult above 5 years old. They also offer a second tour which is a special combo: Rain Forest + Beach + Bio bay in Laguna Grande for only 140$ per adult, transportation included.

PRO: Unique trio tour offer, Children above 5 allowed versus 6 with other companies CONS: No Combo Tour offer

Starting at

USD per person

Experience the Rare Phenomenon of Bioluminescence on a Magical Kayak Adventure along Fajardo’s World Famous, Laguna Grande.

Bioluminescence is one of planet Earth’s best-kept secrets. Tiny organisms make the water glow at night. They found the perfect place to live in the Fajardo Bio Bay.

Stir the water of the Bioluminescent Bays and lots of sparkles will activate. Glowing trails will swirl and flow with the water, natural wonders, water light, glowing water.

The Fajardo Bio Bay Kayak Tour feels like discovering a whole new world. This bioluminescent bay is part of a nature reserve.

The entrance is a beautiful mangrove channel. All along the way you are surrounded by protected life, and at night, the stars fill the sky!

You can only find this experience in the Fajardo Bio Bay.

So book with the perfect guides and bring your friends. 

Learn More!

Bioluminescence Kayak Tour Highlights

• Discover bioluminescence at the Fajardo Bio Bay.
• Enjoy a kayaking experience tour through a mangrove forest with protected fauna.
• Learn about the reserve’s ecosystems and their importance for the planet.
• Watch and learn about the constellations at night and day trip.
• Go with the most professional Puerto Rico tour guides and get the best quality of service.

See full Tour Details below.

Per Person + Taxes & Fees

2 People per Kayak

Bio Bay & Rainforest Combo Tour

Includes Transportation!

USD per person

Planning & Restrictions

What to bring.

• Mask (will get wet – we recommend cloth or bringing an extra)
• Cell phone (in the event that we need to contact you or you need to contact us prior to the excursion)
• Comfortable clothes that can get wet (we recommend a bathing suit or active wear)
• Shoes that can get wet (flip flops are fine)
• Towel and change of clothes for after the excursion
• DO NOT BRING ANY VALUABLES OR ITEMS THAT CANNOT GET WET – lost items are very hard to find in the water at night, and anything you take with you will get wet!

MINIMUM PARTICIPATION

This excursion requires a minimum of at least six guests in order to provide the tour. In the event this minimum is not met, we will call you before the excursion to go over alternative options (i.e. reschedule for a different date or time that has the minimum requirement, payment options for a private excursion, or cancel without penalty).

DISCLOSURES

• Bioluminescence is a natural phenomenon that is unpredictable and subject to change. Therefore, it is impossible to ensure its brightness levels.
• Depending on the season, it is possible to find large amounts of sargassum (floating algae) during the tour; this is also a natural phenomenon, but it can become uncomfortable.
• At times, we experience strong winds and currents in the bay, which increases the effort of paddling and physical activity. However, you’ll be paddling out to a lagoon, so you won’t have to worry about waves in open water.
• Participants must be comfortable with dark environments. Not recommended for guests who may be prone to anxiety while on crowded and reduced spaces.

HEALTH & AGE RESTRICTIONS

• Maximum Weight Limit:   Kayaks have a weight limit of 240 pounds per guest, but the total capacity per double kayak is up to 425 pounds between 2 guests.
• Minimum Age: 6 years old | Participants Ages 6-13 must be accompanied by an adult on the same kayak | Participants Ages 14-17 must have an adult participating on the tour.
• The following guests cannot participate: • Pregnant women • Guests with recent surgeries • Guests with neck, back, arm or leg problems or casts • Guests who have epilepsy, heart conditions and/or dizziness
• Other important notes: • We cannot accommodate 3 participants in one kayak. • All guests must be able to communicate in English or Spanish. • Guests that show signs of intoxication by Drugs or Alcohol will not be allowed to participate. • You are responsible for sharing the information throughout this email with the rest of your group and for notifying us ahead of time with any concerns about your health or physical condition for the excursion.

Kayaking Lesson

First time kayaking no problem.

Check out this video for a couple of tips before joining us on your Bio Bay Kayak Tour.

Photography & Video

Be careful with your camera.

Bioluminescence is almost impossible to capture with regular cameras. Plus, everything in your kayak will get wet. We strongly recommend you be careful with your camera.

If you still want to bring a camera, make sure that it is waterproof. We also recommend that you use a leash to attach it to your life vest. Do not expose expensive and SRL cameras to futile risks. The place will be completely dark. Diving in the lagoon is prohibited. If anything falls in the water, it will be impossible to recover.

Kayaking Trip Puerto Rico gives free photos if the equipment works. We’ll upload your photos and offer you links to download your favorites. As a thank you for choosing us as your Puerto Rico operators these images are free.

Notes: Please allow 5-7 days for the link to be sent to you via email. If you would rather not have your photo taken no problem, please just notify your guides at the beginning of each excursion.

Transportation

Recommendations we have for you to arrive to Las Croabas Park, Fajardo

SELF DRIVE/RENTAL CAR

If you have a rental car, drive to our location using the link below (also provided in your confirmation email). Take your time to enjoy the drive and explore more of Puerto Rico! Ask the crew for recommendations of places to eat and things to do after the tour.

Google Maps: https://goo.gl/maps/P5mWTa5EuBzFsxXT9

UBER OR TAXI SERVICES

Great option for those not interested in renting a car.

Download the Uber App or visit www.uber.com *If you decide to take a Taxi or an Uber, we suggest making arrangements roundtrip. Keep in mind these services are Not Available to book on the spot after the tour.

Contact the providers below for rates and availability:

• Lets Go Puerto Rico – (787) 639-5831
• Anthony Reyes – (787) 478-0806
• Luis Taxi Services – (787) 448-7967

The Fajardo Bio Bay

Concentrations of Bioluminescence as found in Laguna Grande , are difficult to find in the planet.

Puerto Rico has the main bioluminescent bays in the world. If you haven’t done a bioluminescence kayak tour , the Fajardo Bio Bay is your best option .

It is the brightest bioluminescent bay in the main island. Its bioluminescence is among the best in the world.

The Fajardo Bio Bay is inside a natural reserve. Its entrance is a beautiful mangrove forest. You will see a great natural scenery in your way to the main show.

The driving distance from the San Juan Metro Area is one hour.  Great local-food restaurants and kiosks are along the route. Many of Puerto Rico’s best things to do are in the same area too.

El Yunque National Forest is minutes away! You can have a great full-day trip to the east coast of Puerto Rico.

See what our Fajardo Bio Bay Kayak Tour includes !

We are Kayaking Puerto Rico!

In Kayaking Puerto Rico we are just a group of young people in love with our island. We know Puerto Rico and we like to share it with the world! We are addicted to being the best, so we have the highest standards of quality and service.

Also, we like to travel, see new places, and meet new people. So like you, we know how difficult it is to plan for activities in unknown places. When it comes to the Fajardo Bio Bay, we are pioneers! Since 2007, we have provided the best quality and most professional bioluminescence tour in Puerto Rico.   

For over ten years, we have been the #1 most trusted tour company in the Puerto Rico east coast area. The experiences of our guests make us shine on TripAdvisor and social media . It is our privilege to be your friends in Puerto Rico!

WHAT OUR GUESTS SAY

There is always a reason to go back to Kayaking Puerto Rico!!! As I have done it for the pass years… Its an adventure whether you know how to kayak or not!! Knowledgeable staff from reservations to kayaking guides!!!! Recommended highly. Five stars!!!!!

This company is awesome. They are friendly, fun, knowledgeable and have a few goofballs. They provide snacks after the trip and a picture.

 Memories we will never forget, snorkeling with sea turtles, a great reef full of sea life, and the beautiful Flamenco Beach. Our whole family with kids 9-15 had an incredible time.

ConquistadorTravels

Fajardo, puerto rico.

TEL: +1  939-464-6682   M-F 8-6, Sat 9-1 EST to speak to your travel advisor

@ Email Sign up                 Contact Us

Bio Bay Kayak Tour 

Experience the rare phenomenon of bioluminescence in a night time kayaking tour of the bio bay, laguna grande nature reserve in fajardo, puerto rico..

Bioluminescence is one of planet Earth’s best-kept secrets. Tiny organisms make the water glow at night. They found the perfect place to live in the Fajardo Bio Bay. Stir the water of the Bioluminescent Bay and lots of sparkles will activate. Glowing trails will swirl and flow with the water. The Fajardo Bio Bay Kayak Tour feels like discovering a whole new world. This bioluminescent bay is part of a nature reserve. The entrance is a beautiful mangrove channel. All along the way you are surrounded by protected life, and at night, the stars fill the sky! You can only find this experience in the Fajardo Bio Bay. So book with the perfect guides and bring your friends. We have no doubt… you will have a new great story to tell!

BIOLUMINESCENCE KAYAK TOUR HIGHLIGHTS

Discover bioluminescence at the Fajardo Bio Bay.

Enjoy a kayak tour through a mangrove forest with protected fauna.

Learn about the reserve’s ecosystems and their importance for the planet.

Watch and learn about the constellations at night.

Go with the most professional Puerto Rico tour guides and get the best quality of service.

BOOK ONLINE NOW

Bioluminescence kayak tour video, tour duration, minimum age.

Monday - Saturday

Transportation

See Recommendations

Launce Site

Las Croabas, Fajardo

FAJARDO BIO BAY TOUR DETAILS

• HOW DO I MAKE A RESERVATION? Please Make Reservations Online at www.conquistadortravels.com or give ConquistadorTravelsPR a call by telephone at +1 939-464-6682.
• WEBSITE PROBLEMS / WHAT DO I DO IF I AM UNABLE TO OPEN A LINK ON THE CONQUISTADOR TRAVELS WEBSITE? Give us a call at +1 939-464-6682. You may also fill out the contact form on the Contact Us Page. Our team will get back to you ASAP. www.conquistadortravels.com/contact-us
• CANCELLATION POLICY & WEATHER? / WHAT IS THE CANCELLATION POLICY? We have a 24hour cancellation policy and the reservation is 100% non-refundable within 24 hours of trip departure. We can reschedule your reservation for a future date with a rescheduling charge of $25 + tax per person, providing there is availability. For our night trips – you must cancel by 12:00 noon of the day before your trip date for a full refund.
• CANCELLATION DUE TO WEATHER OR WATER CONDITIONS? If the provider cancels a tour due to weather or water conditions, you will not be charged. You will have the option to reschedule for the next available spaces. The captains will make the final decision as to weather conditions. Remember a few passing rain showers are normal in the tropics and rain is more likely in the center of the island, and to the west. We watch the weather stations carefully, and the conditions on the east coast – Fajardo area may not be the same as where you are. Please don’t make the mistake of deciding not to come if it’s raining where you are, as you will be charged if the trip goes out. If you have any questions about the weather conditions, please call us to be sure.
• IS THERE A MAXIMUM WEIGHT TO PARTICIPATE? We don’t have a weight limit but you do need to be physically able to climb up and down the swim stairs or ladders to access the water as needed.
• ACTIVITIES / WHAT KIND OF ACTIVITIES WILL I ENJOY? Answer: Our guests get to enjoy breathtakingly beautiful views of the mainland, El Yunque mountains, and the surrounding islands, as well as beautiful white sand beaches on both our Icacos and Culebra trips. They also get to snorkel protected coral reefs and see a multitude of different Caribbean fish species.
• DO I NEED TO KNOW HOW TO SWIM TO SNORKEL? Answer: You need to know basic swimming skills, know how to float and as long as you don’t fear the water, you’ll have fun! We do have floating devices available for all guests and underwater windows (on the East Wind) for those who chose not to snorkel.
• HOW DO I SNORKEL IF I USE EYE GLASSES? Answer: A prescription mask can be provided but please keep in mind due to enormous range of prescriptions we only offer minus 3 and minus 4 prescriptions. Contact lenses can be worn under mask only if you feel comfortable doing so (but at your own risk). For lighter prescriptions, the mask itself and the water provide quite a bit of magnification.
• HOW FAR AWAY IS THE MARINA FROM SAN JUAN, RIO GRANDE OR HUMACAO?" Answer: Estimated time is 1 hour and 15 minutes from old San Juan or Condado area, perhaps a bit less for Isla Verde. Allow 30 minutes from Rio Mar, 35 minutes from Humacao, and about 45 from the Gran Melia resort.
• WHAT IS THE AGE LIMIT PERMITTED? Answer: Icacos trips any age is permitted to participate 0 +. Children’s price applies to 10yrs and under. Culebra and Vieques trips kids over the age of 3 + and children’s price applies to 10yrs and under. Due to possible water conditions kids under 3 are not allowed on these trip
• AMENITIES / ARE THERE BATHROOMS AVAILABLE? Answer: We have two bathrooms on each of our larger catamarans and one bathroom on each of the smaller catamarans.
• COMMUNICATIONS / WILL MY MOBILE WORK? Answer: Cellular service is available in Icacos, however it is not always available in Culebra.
• WHAT IF I ARRIVE LATE AND MISS THE TRIP? Answer: “No shows” or cancellation made within 24 hours of the trip time will be charged in full on credit card on file, even if you make the reservation within that period. We have a 24hour cancellation policy so all reservations canceled before 24 hours before the time of the trip are 100% refunded. You must make sure to speak to someone or receive an email response; if you leave us a message, please be sure you get a reply from us. We can reschedule you at $25 per person, providing there is availability. For our night trips you can cancel by 12:00 noon of the day before trip date.
• ARE TRIPS PHYSICALLY DEMANDING? Answer: Generally they are not, however guests should know how to swim and be comfortable in the water. Some guests who are non-swimmers might opt to stay onboard the boat and watch the fish through our underwater windows. Upon making a reservation, you must inform the crew if anybody in your group has any back or heart problems or is pregnant, as the power boat trips can be bumpy as we ride over the open water.
• TRAVELLING WITH CHILDREN / DO WE HAVE FAMILY TRIPS? Answer: Yes, children are welcome aboard our trips! (However, we do not recommend the Culebra trip or Vieques trip for children under three). Any of the trips to Icacos are well-suited for children of all ages! Your kids will especially love the water-slide and the underwater windows on our sailing catamaran East Wind. For the adventurous little tines – there is kids snorkeling gear, and the crew can give instructions in the shallow waters at the beach.
• GROUP TRIP INFORMATION / DO WE OFFER ANY PRIVATE TRIPS? Answer: Any of the catamarans are available to charter privately for your special event! They all have different capacities. We can tailor your trip to suit your needs, whether you want something simple or a BBQ lunch with open bar or an upscale sunset dinner party.
• HOW MANY PEOPLE WILL BE ON MY TRIP? Answer: This will depend on which catamaran you will be on. Weekends tend to find the boats more full than weekdays, and slow season also tends to find the boats less full. But the numbers can vary. For smaller capacity the Zatara sailing catamaran or the Eco Isleño power catamarans are available.
• ARE THERE AGE RESTRICTIONS ON YOUR TRIPS? Answer: We do not allow children under the age of three on the Culebra or Vieques trips, and as well but welcome all ages aboard our trip to Icacos!
• CAN I JUST DO PART OF THE TRIP? Answer: Depending on the trip, they typically leave the dock at Puerto del Rey Marina, and return to the same location. We generally cannot drop you off at any other location.
• CAN I BRING MY OWN SNORKEL GEAR? Answer: You are welcome to bring your own gear. Many people are used to their own mask and snorkel, (but there is not a discount for that).
• Know Before You Book: - Minimum age is 6 years. - Not recommended for pregnant women. - This Night Kayaking tour operates even if it rain, except in the case of extreme weather events or any warnings by the local weather authorities or the U.S. Coast Guard. - Night Kayaking tour last around 2 hours. - Maximum weight is 250 pounds per person. - You must be able to swim on your own in the rare case of capsizing. - Parking is hard to find on Sundays and Holidays. - Come prepared to get wet from your waist down. lightweight, synthetic clothing or a swimsuit is the best. - Do not walk bare foot on the beach for safety reasons. - Don’t bring any valuables you don’t want to get wet, lose or damage. - Anyone who is visibly under the influence of alcohol or drugs will not be allowed to participate and will still be charged. - We request that you sign a waiver. - Two persons double kayaks. - Nature at it is – The bioluminescent intensity depends on weather conditions such as rain, tide, moon phase, Sun light and many other Nature factors that are not in control of Puerto Rico Access Tours. We do not photoshop.
• Frequently Asked Questions: Transportation Available? - Yes, if you haven’t book the tour with transportation you can always upgrade your reservation for roundtrip transportation. Where are you located? - Rd. 987 Km 6.8 Kayaking Village Fajardo, PR 00738 - GPS Coordinates 18.3654071,-65.6251796 - https://g.page/accesstourspr?share What should I wear? - Come prepared to get wet from your waist down. Lightweight, synthetic clothing or a swimsuit is the best. Do not walk bare foot on the beach for safety reasons. What to bring? - Change of clothes, towel and mosquito repellent (just in case!). You can bring cameras only with water proof bag or water proof case. What not to bring or wear? - We suggest that you try to avoid wearing jeans or sweats. Don’t bring any valuables you don’t want to get wet, lose or damage. Storage available? - In case you want to leave any article, you can leave it at the registration table. Anything you bring on the water has the potential to get wet, damage or lost. What’s the cancellation policy? - To reserve a space, a credit card number is required. All cancellations are subject to a $10 per person cancellation fee. We require a 24 hour cancellation notice to be eligible for a full refund less $ 10 per person cancellation fee, otherwise your credit card will be charged. PR Access Tours cancels due to unsafe weather conditions or any recommendation from the National Oceanic and Atmospheric Administration, NOAA. A full refund will be given if we cancel for safety reasons. Do you still take out trips if it is raining? - If it is a heavy rain we may offer you the option of rescheduling or canceling without being charged. If there is lightning close by we will cancel the trip but you should always assume the trip is going out and show up for your trip unless we have said otherwise. The rain and/or lightning may be moving away quickly and may only make for a short delay in our departure time even if it looks bad at the moment. Is it okay if I have a drink(s) before coming on the tour? - NO. Anyone who is visibly under the influence of alcohol or drugs will not be allowed to participate and will still be charged. I have other questions not answered in this FAQ what shall I do? - Call us at +1 939-464-6682. or email us at [email protected] I had such a great time, what can I do to recommend you to others? - Like us on Facebook & Instagram @ConquistadorTravelsPR
• Inclusions: - Guided Night Kayaking Eco-Adventure at the Bioluminescent Bay of Laguna Grande Mangrove Reserve. - Live-commentary and interpretations about the Ecosystem in English or Spanish – Fully guided by certified tour guides. - 101 kayaking lesson – First time in a kayak! no problem. - Adaptive Paddling Program with our experienced tour guides. - Transportation Upgrade – available. - Big and Tall Participants, no problem! – weight up to 250 pounds per person. - Life jacket – US Coast Guard Approved. - Two person sit-on-top kayaks - Wheelchair Accessible – Attainable Adaptations for guest with special needs and disabilities.
• Exclusions: - Mosquito repellent is not provided. - Waterproof cell phone pouches are not provided. - Gratuity is not included, but greatly appreciated.
• Don't Bring: - Don’t bring anything you don’t want to get wet, lost or damage. - No electronics, No cameras or cell phone unless you have a waterproof case. - For your convenience you can leave the car keys with us at the registration desk.
• Essential Eligibility Criteria 1. Each participant must be 18 years or older or accompanied by an adult. 2. Be able to comprehend and follow verbal and/ or visual instructions independently or with the assistance of a companion. 3. Manage to remain balanced, seated and hold head upright without neck / head support for 2 hours in a touring kayak. 4. Manage all personal care independently, or with the assistance of a friend or family member. 5. Manage personal mobility independently or with a reasonable amount of assistance. 6. Independently turn from face-down to face-up and remain floating face up while wearing a properly fitted life jacket. 7. In the event of a capsize, be able to independently get out and from under a capsized kayak and re-enter the kayak with the assistance of one other boat and your paddling partner. 8. Be comfortable in the water including floating on back independently with a properly fitted PFD, turning from facedown to face up independently while wearing a properly fitted PFD, and holding breath while under water. 9. Be able to go kayaking for more than 3 miles independently or with a reasonable amount of assistance.
• TRIP NOTES / HOW DO I OBTAIN TRIP NOTES/ITINERARY FOR FULL DETAILS OF MY TRIP? Answer: Give us call if you would like a sample itinerary for your day! You will also receive detailed information with your email confirmation once booked.
• HOW CAN I GET IN TOUCH WITH YOUR COMPANY BEFORE THE TRIP? Answer: If you have any questions at all, don’t hesitate to give us a call +1(787) 655-4912 or email us at [email protected]
• SAFETY AND MEDICAL INFORMATION / WHAT ARE THE MEDICAL REQUIREMENTS? Answer: You should know how to swim and must inform us if you have any allergies, back or heart problems, and if anybody in the group is pregnant upon making the reservation. The crew has a first aid equipment and rescue equipment on board all the boats and all the crew members are trained in first aid and CPR. But if evacuation is necessary, it can be 30-45 minutes to get a rescue boat back to the mainland. There are limited medical facilities on the island of Culebra and Vieques.
• IS IT RECOMMENDED FOR PEOPLE OVER 60 YEARS OLD TAKE A TOUR? Answer: Sure! As long as you know how to swim and are in good physical condition. Don’t forget to inform us if you have any back or heart problems.
• WHAT TO PACK / WHAT ITEMS DO YOU RECOMMEND I TAKE? Answer: The tours typically include all beverages and food (including snacks). All you really need to bring is a bathing suit, towel, sunblock, and a camera to capture the fun! We recommend that you wear a bathing suit under light clothing. You can wear water shoes or sandals. If you would like, you can bring dry clothes for the ride home.

Fajardo Bio Bay Kayak Tour 

Concentrations of Bioluminescence as found in Laguna Grande, are difficult to find in the planet. Puerto Rico has the main bioluminescent bays in the world. If you haven’t done a bioluminescence kayak tour, the Fajardo Bio Bay is your best option.

It is the brightest bioluminescent bay in the main island. Its bioluminescence is among the best in the world. The Fajardo Bio Bay is inside a natural reserve. Its entrance is a beautiful mangrove forest. You will see a great natural scenery in your way to the main show.

The driving distance from the San Juan Metro Area is one hour.  Great local-food restaurants and kiosks are along the route. Many of Puerto Rico’s best things to do are in the same area too. El Yunque National Forest is minutes away! You can have a great full-day trip to the east coast of Puerto Rico.

See what our Fajardo Bio Bay Kayak Tour includes!

Discover the Magic of Fajardo's Bioluminescent Bay with Conquistador Travels!

Nestled along the enchanting coastline of Puerto Rico, the Bioluminescent Bay in Fajardo stands as one of the world's most awe-inspiring natural wonders. Imagine gliding through waters that glow with an ethereal light, where every ripple and paddle stroke brings forth a burst of radiant blue. This is not a scene from a fantasy movie; it's a real, mesmerizing experience waiting for you, and Conquistador Travels is here to guide you through it!

Why Fajardo's Bioluminescent Bay is a Must-Visit

Fajardo's Bioluminescent Bay, often referred to as "Bio Bay," is a rare ecosystem that hosts millions of dinoflagellates, tiny organisms that emit a fluorescent blue light when agitated. This natural phenomenon is so rare that it only occurs in a handful of locations worldwide, and Fajardo's bay is renowned for its exceptional brightness and beauty.

Imagine the magic of kayaking under the stars, with the waters below you lighting up to guide your way. It's an unforgettable adventure that combines the thrill of exploration with the beauty of nature's own light show

Experience the Wonder with Conquistador Travels

At Conquistador Travels, we specialize in creating unforgettable adventures that connect you with the heart of Puerto Rico's natural wonders. Our Bioluminescent Bay tours are designed to immerse you in the magic of the night, with expert guides leading you through the glowing waters.

Expert Guides: Our knowledgeable and friendly guides are passionate about sharing the wonders of the Bio Bay. They'll provide fascinating insights into the ecosystem and ensure you have a safe and magical experience.

Eco-Friendly Adventure: We're committed to preserving the beauty of the Bio Bay for future generations. Our tours are eco-friendly, ensuring that we enjoy the wonders of nature without leaving a footprint.

Small Group Tours: To ensure a personalized and intimate experience, our tours are kept small. You'll have the space and quiet to truly soak in the magical atmosphere of the bay.

Perfect for Everyone: Whether you're an adventure-seeker, a nature lover, or just looking for a unique nighttime activity, our Bioluminescent Bay tour is perfect. No prior kayaking experience is required, making this adventure accessible to all.

Book Your Adventure Today!

Ready to witness the glowing wonders of Fajardo's Bioluminescent Bay? Conquistador Travels is here to make it happen. Join us for an unforgettable journey through one of the world's most magical natural phenomena. Spaces fill up quickly, so be sure to book your tour in advance and prepare for an experience that will light up your soul.

Embark on a journey like no other. Let the glowing waters of Fajardo enchant you, and carry the memories of this luminous adventure with you forever. With Conquistador Travels, your journey into the heart of Puerto Rico's natural beauty is just a booking away. Don't miss out on this once-in-a-lifetime experience. Contact us today to secure your spot on this magical adventure!

Let the stars above and the glowing sea below create the perfect backdrop for an evening you'll never forget. With Conquistador Travels, the magic of Fajardo's Bioluminescent Bay awaits.

Reserve Your Trip

• Most Popular!

Bio Bay Kayaking Tour

Quick Details

• Hour Glass Duration: 1.5 - 2 Aprox.
• Users Ages: Ages 5+
• Bus Please Note: Transportation is not included. See below for more info
• Info NIGHT KAYAKING TOUR: Please be advised that this tour takes place at night. It will be DARK and other companies operate at the same time. Tours do NOT have a personal guides. Tours will have from 2 to 4 guides per trip depending on amount of guest and will be there to assist but can not do the kayaking for you.

Witness the Beauty of the Bioluminescent Bay Up Close!

A truly unforgettable experience awaits, as you witness hundreds of tiny star-like bioluminescent plankton scintillating like a starry sky as you move through the bay.

Wave your paddle through the water in front of you, and be mesmerized by the tiny glowing specs of plankton or Dinoflagellates which are tiny unicellular marine plankton also known as fire plants.

Adventure Details

At the prescribed time, meet for your Bio Bay Bioluminescent Kayaking Tour on the beach of Las Croabas, a small fishing village located on the extreme northeastern tip of Puerto Rico.

Your Eco Adventures guides call the group of kayakers together for a briefing session covering basic kayak handling, rules of the road, and the importance of keeping to a minimum any disturbance of the pristine environment of the bioluminescent lagoon.

Then we launch our kayaks and head for a hidden opening in the mangroves at the northern end of the beach. Upon entering the mangroves, we follow a channel for a mile that leads to the Laguna Grande.

Leaving the channel and entering the lagoon by itself is a breathtaking experience! A wide expanse of gentle, rippling water surrounded by mangrove forests greets the adventurer, the mountains of the El Yunque Rainforest tower in the distance – profound tranquility envelopes all who enter!

But the best is yet to come! Your guides call the flotilla together for an informative talk about several topics: This unique ecosystem, the flora, fauna, and sea life that inhabits the lagoon, and historical notes of interest.

Discuss the Fajardo Lighthouse, built by the Spanish in the 19th century, and of course, the incredible natural phenomenon that we’re here for – the shimmering glow of bioluminescence as you dip your paddles and glide through the sparkling water – an amazingly unique experience only found in four other places on earth!

• Chevron down Restrictions
• Pregnant women
• People with either heart, back, neck, wrist, or any type of medical condition
• Minimum age is 5 years old.
• Weight limits: 425 lbs combined per double kayak, 250 lbs per single
• All participants must be physically fit to handle a kayak with paddles.
• Chevron down Is transportation included?

Transportation is NOT included, but you can arrange transportation through our recommended shuttle services: Jireh Transport at 787-361-9741 or Mike Rivera (2-25 people) at 787-649-6139. Please let them know your tour time and be sure to appear at your arranged time.

Related Adventures In Fajardo

• Users Ages 5+
• Hour Glass 11 hours

Culebra Power Boat & Bioluminescent Bay Combo

Join us on a fantastic snorkel and beach tour to Culebra Island and Cayo Luis Peña Nature Reserve followed by a kayak tour through the bio bay!

• Hour Glass 12 hours

Catamaran and Bio Bay Combo Tour

Join us for an all-day experience, including a six-hour journey on a catamaran and a two-hour kayak through the bio bay, Laguna Grande.

• Bus Transportation included
• Hour Glass 10 hours

Yunque River, Beach & Bio Bay

Enjoy a day in “Charco La Barrigona”. A beautiful swimming area along the Mameyes River in Río Grande, located in the outskirts of the ” El Yunque National Forest” before kayaking in Fajardo’s famous bio bay!

For limited time!!! Enjoy a $5pp discount coupon valid for our Rainforest Night Adventure Walk

The Bio Bay Kayaking Tours

• Most Popular!
• Bus Not Included
• Hour Glass 3 Hours
• Users Ages 6 and Up

Bioluminescent Bay Night Kayak Adventure

Join us for a night kayaking tour in the Bio Bay! Enjoy the bioluminescent organisms or reflection of the full moon on our beautiful lagoon.

• MOONLIGHT TOUR

Full Moon Kayak Adventure

Our Full Moon Fajardo Bio Bay Kayak Adventure is the perfect nature adventure under a full moon, and if your stay in Puerto Rico happens to fall during the full moon stage you don’t have to miss out on our Night Kayaking Tours!

Day Kayaking Adventure

Love nature & kayaking?  Then this is your adventure! Our guides lead you across Las Croabas bay, while you enjoy the sun over the Atlantic Ocean.

Love nature? Come to Puerto Rico Bio Bay Tours and see the only place on the island where seven of eight ecosystems come together within the beautiful Las Cabezas de San Juan Reserve! Enjoy birds, iguanas, crabs, mangrove tunnels, views of a historical lighthouse, views of the only tropical rainforest in the U.S. Forestry System, El Yunque, in the background and spend some leisure time on Seven Seas beach on our kayak tours! Hate the crowds on traditional Puerto Rico tours? No problem, we keep our Bio Bay tours small for your comfort and enjoyment. Browse our adventures above to find the right one for your getaway!

Tours at the Biobay Fajardo location 

Daily Tours

Please contact us, and let us help you schedule your Biobay adventure!

*Kayak Tours

1st Tour: 5:30 pm

2nd Tour: 7:30 pm

*Only 30 persons permitted per kayak tour.

*You have to be 6 year old or older for kayak tour

*We also provide private Tours (limited spaces)

**Boat Tours

1st Tour: 6:30pm

2nd Tour: 7:30pm

3rd Tour: 8:30pm

**Only 6 persons per boat tour. Book with two weeks in advance.

Note:   Times may change depending on sunset and weather

Boat tours starting in mid 2021

Contact us and start your biobay adventure today.

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