Bahia bioluminiscente laguna grande fajardo: Laguna Grande Bioluminescent Bay | Discover Puerto Rico

Tours & Tickets — Laguna Grande — Book Now

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Tours and Tickets to Experience Laguna Grande

Kayaking Tours

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People Also Ask

Can you swim in Laguna Grande?

No, unfortunately, you can’t swim in Laguna Grande during your visit or tour. Swimming is prohibited to keep the bay at its healthiest. The only bioluminescent bay in Puerto Rico that you can swim in is La Parguera, which is a 2.5-hour car drive from Laguna Grande.


Why does Laguna Grande glow?

The bioluminescence bay of Laguna Grande glows with a blueish coloring because of the dinoflagellates in the water. A dinoflagellate is a microscopic organism that uses glowing as a defense when they notice any movement in the water. These short bursts of blue light have drawn tourists to the bays for years.


Can you go to bio bay without a tour?

Yes, you can go to Laguna Grande bio bay without a tour, and it’s legal to go on the water by yourself without a guide. If it’s your first time at the bay, you may want to first plan a daytime visit to familiarize yourself with the surroundings.


What time of night does the bioluminescence occur?

The best time of night to see the effects of the dinoflagellate’s bioluminescence on Laguna Grande is at least two hours after the sun has set when the sky is dark. One of the best times is also during the new moon phase because there won’t be moonlight reflecting onto the water.


Frequently Asked Questions

The answers provided below are based on answers previously given by the tour provider to customers’ questions.


What’s the best way to experience Laguna Grande?

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Eco Adventures | Bio Bay Kayak Tours

Eco Adventures welcomes both locals and visitors to explore the lush rainforests and pristine oceans of Puerto Rico with close proximity to both San Juan and Vieques. Book your kayak tour today!

Experience the Beauty of the Caribbean Sea & El Yunque Rainforest

The Best Caribbean Tours

Eco Adventures is an owner/operator family business. We believe in being socially and environmentally responsible, providing the best premium equipment, and offering unforgettable Fajardo tours.

Our bilingual guides are enthusiastic, experienced, and certified, and they enjoy sharing their deep understanding of the rainforest ecology. Our mission is to make our guests’ bio bay tour experience the highlight of their visit to Fajardo, Puerto Rico.

Click here to View All Tours
View All Tours

Things to do in Puerto Rico

Click here to visit 1. Bioluminescent Bay Kayak Tour1. Bioluminescent Bay Kayak Tour

Must see our spectacular Bioluminescent Bay phenomenon, kayaking through the red mangrove trees channel it a spectacular and magical tour At Laguna Grande Fajardo Puerto Rico. This will be the highlight of your trip! You can enjoy the bio bay as an individual tour or enjoy it paired with any of these other experiences for a complete day!

Click here to visit 2. Visit El Yunque National Rainforest and make a stop at Luquillo the Beach3. Visit El Yunque National Rainforest and make a stop at Luquillo the Beach

An amazing adventure awaits as you visit our diverse rain forest and local rivers, stop to have lunch at our popular Kiosk with authentic Puerto Rican cuisine and then relax at one of our beautiful Luquillo beach La Monserrat. You can’t forget the beach while you are in Puerto Rico!

Click here to visit 3. Experience the island by the Famous Traveler Catamaran3. Experience the island by the Famous Traveler Catamaran

Let’s set you free. Sail away with us on our Catamaran Traveler tour and enjoy the crystal Caribbean waters of Icacos Island. Paradise at best, savor of fresh fruits salads and much more. After Icacos island Unwind and sit back as we sail to our second snorkeling destination.

Click here to visit 4. Head to Culebra Island by Power Boats4. Head to Culebra Island by Power Boats

Indulge at sea and travel aboard Tobias Power Boat where you can snorkel in the Culebra Virgin reefs. also you can eat drink and relax at world Famous Beach Flamenco.

See What Others Had to Say


Beautiful Evening

«My husband and I drove from San Juan for the 8:00 tour. The tour was great, only downside is a few people struggled to steer their kayaks. Made for some good laughs. The lights in the bay are like little firecrackers. I recommend you go early, there are lots interesting restaurants in the same area as the tour departs. There are changing rooms, but they are public restrooms in the park nearby.»

– Minnesotawaterbaby · TripAdvisor

Perfect Night

«Our kayak trip was amazing! Derek and his crew were fun and informative while keeping everyone safe. The kayak trip through the mangroves was enjoyable on its own but the bioluminescent bay was the icing on the cake! Our tour started and ended on time (we had heard that some tours do not). We will definitely go again!»

– Asanford7 · TripAdvisor

Biolumenesant Kayak Experience

«Last night my wife and I did the Biolumenesant experience in Fajardo. The guides were amazing and not only did everyone get a life jacket for safety, but they also got a brief refresher course on how to kayak if you are rusty or a beginner. The three guides were very kind and funny too! We had a great experience and would recommend it to anyone that loves the outdoors!»

– Meredith A. · TripAdvisor

Great Tour

«We were a little apprehensive as none of us had any kayaking experience. Nathan and Anthony were great with the instructions and we’re extremely helpful and informative throughout the tour.

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