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Embark on a mesmerizing adventure with our Bio Bay tours, where you'll glide through the bioluminescent waters of Mosquito Bay and witness the breathtaking glow created by tiny organisms called dinoflagellates. These microorganisms emit light when disturbed, creating a magical display as each paddle stroke ignites trails of sparkling blue.
Travel Notice: If returning to Puerto Rico on the late ferry, book our 6:30 PM tour Monday- Sunday. Coordinate transportation in advance.
Ferry Ticket Recommendation
Secure your ferry tickets when you book your tour. For the best chance of a seat, purchase in person at the Ceiba ferry terminal. Our tours require a minimum number of participants and may be rebooked or canceled if that number isn’t met. Travel light and bring only essentials. By arranging both your tour and ferry tickets early, you can relax and enjoy your adventure worry-free!
Public transportation options are available nearby
Infants are required to sit on an adult’s lap
Not recommended for travelers with spinal injuries
Not recommended for pregnant travelers
Suitable for all physical fitness levels
For a full refund, cancel at least 24 hours before the scheduled departure time.
Embark on a mesmerizing adventure with our Vieques Bio Bay tours, where you'll glide through the bioluminescent waters of Mosquito Bay and witness the breathtaking glow created by tiny organisms called dinoflagellates. These microorganisms emit light when disturbed, creating a magical display as each paddle stroke ignites trails of sparkling blue.
Glass Bottom Kayak
Round trip transportation from the meeting point to the Biobay and back.
Tour Guide
Life Jacket
78 đánh giá
Tổng số đánh giá và xếp hạng từ Viator & TripAdvisor
James R,,19 thg 12, 2025
- Đánh giá từ Viator
We had a disappointing experience. The location was very hard to find, with no clear signage—just a piece of paper with our names on it, unlike other nearby companies. Transportation was in an old school bus, and the ride was extremely bumpy and, at times, scary. The tour itself felt disorganized. The guide was very soft-spoken and hard to hear, and with seven kayaks, the experience felt rushed and impersonal. While the activity was okay, other groups nearby were far more organized with better guides. Overall, I would not recommend this tour.
Jason C,,17 thg 12, 2025
- Đánh giá từ Viator
Amazing experience. The bioluminescence was beautiful and magical. The staff were helpful and the whole event was perfectly timed. Taxis were waiting at location upon completion for easy access back to ferry.
Jacqueline D,,22 thg 11, 2025
- Đánh giá từ Viator
Cool experience! Be sure to check the moon phase… you want a dark, clear sky! Tour guides were efficient and very informative! You will get wet. Wear shoes that can be easily removed.
Danielle B,,22 thg 11, 2025
- Đánh giá từ Viator
Great experience!! The guides were very informative. It was a clear night so they also showed us all the constellations. We had a wonderful time.
991megani,,13 thg 11, 2025
- Đánh giá từ Tripadvisor
I highly recommend this tour. Our tour guides were great. They actually waited for our group (we were 8 minutes late at meeting spot) because we could not find transportation from Playa Negra. We were very grateful for that! The tour guides were very friendly and knowledgeable and the experience itself is unlike anything else.
SERGIO C,,8 thg 11, 2025
- Đánh giá từ Viator
Was definitely an awesome experience. The most important part of planning and executing our trip was the customer service experience. Highly recommend Angel when booking your tour super attentive and very knowledgeable. Also can’t forget to give a glowing review to our tour guides Rebeca and Myra. A wealth of knowledge on the BioBay and super fun to deal with.
rachelgL8032NQ,,7 thg 11, 2025
- Đánh giá từ Tripadvisor
Beautiful experience. Rebecca was a wonderful tour guide. She was very upbeat and patient. This tour was worth every penny.
Asia D,,26 thg 10, 2025
- Đánh giá từ Viator
We arrived at ferry 5 hours early and were told we could not go to island, and could not get a refund. Absolutely do not book and would not recommend.
Alice J,,15 thg 10, 2025
- Đánh giá từ Viator
Don’t miss the bioluminescent bay, it is spectacular. Really enjoyed the nighttime kayak, hearing the frogs, the ocean waves and learned a lot. Only wish, we could have had 5 minutes of silence or so to just drink it all in, perhaps reflect internally. I’d suggest the guides work a quiet moment into the information sharing for those that need silence as well.
Kachai C,,4 thg 10, 2025
- Đánh giá từ Viator
The biobay is definitely worth visiting. Do pick a new moon (no moon) period so the biofluorescence will be much more visible and glowing! For this tour, I appreciate the two guides ensured our safety. However, while I chose an "English guide" when I paid, the two guides spoke Spanish (to the rest of the group) for 95% of the time. Me and another English speaking girl were left unattended for around 1 hour in the bay. The guides were not aware of the time that I needed to ask what time we were returning. We ended up returning to the pick up spot 20 minutes late. Overall, after this tour, I still know minimal about the biofluorescent bay which I am very disappointed about. I will not recommend this tour to visitors who don't speak Spanish.
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