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Bioluminescent Bay Night Kayaking Adventure in Puerto Rico

4.28
4.3(505 reviews)
1 hour 30 minutes
English, Spanish
Mobile ticket
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Overview

Available languages

English
Spanish

1 hour 30 minutes

Mobile ticket

Kayak through the mangroves of Laguna Grande and experience the natural glow of bioluminescence. Visibility varies as it's a natural phenomenon; a tarp may be used to block out light and enhance visibility, making it easier to see even subtle sparkles.

Advisories:

1. Sargassum, a harmless local seaweed, may occasionally be present and emit an odor.

2. Solo kayakers and odd-numbered groups will be paired up.

3. You will get wet—dress accordingly.

4. During peak season, high traffic may cause light contact between kayaks; our experienced guides ensure a safe and enjoyable tour.

5. Participants aged 6–14 must ride in a tandem kayak with an adult.

Participants aged 15–17 must be accompanied by an adult on the tour.

6. Wear comfortable, quick-drying clothes and water shoes or sandals. You will get wet.

Additional Info

Travelers should have at least a moderate level of physical fitness

Not allowed for children under 6yrs old

Not allowed for pregnant guests or those with casts, heart conditions, neck/back issues, epilepsy, or dizziness.

Weight limit p/p of 225 lb (102kg)! Checks will be conducted prior to boarding; no participation nor refunds if exceeded.

Participants aged 6-14 must be accompanied by an adult in a tandem kayak.

Participants aged 15-17 must be accompanied by an adult on the tour.

Wear comfortable, quick-drying clothes and water shoes or sandals. You will get wet.

What To Expect

1

Laguna Grande

This is the one adventure not to be missed while in Puerto Rico. Paddle your way through the mystical mangrove channels leading to “Laguna Grande”. There you will feel on another planet as the water comes alive in a magnificent glowing spectacle that must be seen to be believed!

2 hours • Admission Included

Options

Bioluminescent Bay Night Kayaking Adventure in Puerto Rico

What‘s Included

Snacks

Double kayaks with backrest, paddles and lifejackets.

Cancellation Policy

For a full refund, cancel at least 24 hours before the scheduled departure time.

Reviews

4.28

505 reviews

Total reviews and rating from Viator & Tripadvisor

332
75
39
26
33
  • it’s not worth the time, effort or money

    JenP1870,Jun 4, 2026

    - Review from Tripadvisor

    3.00

    Operator: basic instructions for check-in, nothing for parking. Asked to be there 30-minutes before, which wasn’t necessary. The previous tour was running late, which was obvious, but not communicated. We were handed wet life jackets and told to line up for a safety briefing. Oh, they do provide bug spray, which is absolutely essential. Advise: it’s not worth the time, effort or money. You enter the water to wade out to the kayaks, about waist deep, not mentioned. The paddle out isn’t bad, but after 15 minutes in the lagoon is a paddle back, against the current, not mentioned. We couldn’t see much of anything, barely more when you’re under a giant tarp which smelled awful and was hot. We lasted a few minutes under. No one mentioned the terrible smell of the water either. Our whole car stunk on the drive back. Bring more than just a towel. Bring a change of clothes and a trash bag for your clothes. That’s it. It was highly disappointing.

  • Bad

    mary B,May 29, 2026

    - Review from Viator

    1.00

    Very bad experience, they have no patience to teach beginners. I asked for guidance in Spanish, and the guy only spoke English, although he could have spoken in Spanish too, but he refused to do so. The images you show in the post are very different from reality; there are no bioluminescent organisms in the lagoon. They put us under a tarp supposedly to see, but that was not the case; we saw nothing. The guy who threw the tarp hit me on the head. My wife's Apple Watch fell into the water, and they said it was not their problem. They could have helped but chose not to. The place smells very bad. I do not recommend it at all.

  • Great experience

    Wilfredo R,May 19, 2026

    - Review from Tripadvisor

    5.00

    I had a great time kayaking through the mangrove into Laguna grande, it was such a cool experience. We went during a new moon and the bioluminescence was very bright. Even if we didn’t see any phytoplankton we had a great time. Not as tiring as you’d think and our current was strong.

  • It was worth the money.

    Sachin T,May 13, 2026

    - Review from Viator

    5.00

    I would say the trip to and fro was worth it. We booked the 6.30 PM tour and I would add that it was well organized. They even safekept our belongings (Kay keys, etc.) for us. Provided light snack at the end. With our team. 4 or 5 of them rode the kayaks to help us where people would get stuck on a mangrove root or went sideways. The kayaks were good quality and nothing to complain. Well you will get a lot of see weed into your kayak while paddling (no escaping that). We were able to observe the colors but they were very light but observable with the naked eyes. Capturing them with a phone camera was not possible however all of us saw luminescence with our eyes. They explained how the phenomenon occurs scientifically and guided throughout the ride. We came a couple of hours early and whilst went into a small restaurant until time arrived. Some would say that in Fajardo, english may not be as popular as in San Juan (specially in small restaurants). Have some cash at hand, because not all the restaurants may accept cards (especially amex).

  • This tour was beautiful!...

    Paris G,May 5, 2026

    - Review from Viator

    5.00

    This tour was beautiful! The scenery to the bay was something I wish I enjoyed in the daylight, super picturesque! Pedro was our tour guide and he was super funny and attentive. Jesus victor and Gabriel were all super friendly and helped us all as we were crashing into each other lol. The bad part about the tour was we really didn’t see any light and this isn’t the tour that you can get in the water and all other tours happen at the same time so there are about 80 kayaks in the water at the same time doing single file lines which was a bit aggravating due to the river trail being so small before getting to the actual bay. Other than that great time!!

  • Wonderful experience with...

    Cynthia B,May 2, 2026

    - Review from Viator

    5.00

    Wonderful experience with great tour guides. They were very informative and fun! I would definitely recommend.

  • Must do kayak trip in bioluminescent bay

    Adam M,May 1, 2026

    - Review from Viator

    5.00

    Easy one mile paddle in to the lagoon, guides were very informative and made the adventure very fun.

  • Highly recommended

    MariaCristina R,Apr 26, 2026

    - Review from Viator

    5.00

    Very good experience with the tour guides. Especially Pedro and Victor because of their closeness with us, they were very aware that everything went well.

  • Kayak under the stars!

    Matt G,Apr 26, 2026

    - Review from Viator

    4.00

    Didn’t see bioluminescence but at the end of the day it was a great nighttime kayak adventure under the stars

  • Luminescent show

    Joann W,Apr 24, 2026

    - Review from Viator

    4.00

    The kayak ride out and back was awesome, the luminescent part was disapointing, not what I expected. Has very little room in between kayaks to swipe the water to see it.

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