Come see, hear and feel the adventure as you explore the captivating glowing water of Laguna Grande.

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Glowing Bay Adventure

The Highlights TOUR

Of your Adventure

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!


The Glowing Bay Adventure Includes:


Basic Equipment

Kayak and US Coast Guard approved life jacket.


Expert Guides

Experienced eco-interpretive guide with CPR and First Aid certification.


Basic Training Lessons

Training and safety instructions prior the tour.



Low-intensity night time navigation lights.

safety icon


First aid and kayak towing equipment.


Optional Transportation

Transportation to “Kayak Village-Fajardo”  from selected hotels is available for an additional $25-per-person fee. Minimum of 8 passenger requiered for transportation.

Kayaks Top Image2
Level icon

Skill Level: Beginner

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Duration: 2 Hours

Kid icon

Minimum Age: 6 Years +

Video Glowing Bay Gif

Glowing Bay Adventure


Island Kayaking Adventurers

An Unbelievable Experience

That you will never forget!

Glowing Bay Adventure

Questions? FAQ

The answers you need

Glowing Bay Adventure


What our adventurers say

  • 5 star ratingLaguna grande - fantastic - guides nice and informative Family of four loved this adventure. Kids Age 7 and problems paddling or controlling kyacks. It is a long paddling adventure so be prepared as many others have written about bio bay experiences.

    After reading so many reviews...
    read more

    bdonohue71 Avatar

    5 star ratingIncredible! Our kayak trip on the Bio Bay was the highlight of our trip to Puerto Rico. I was a bit wary since we booked last minute and all of the other companies were booked up, but Island Kayaking Adventure... read more

    Emily H Avatar
    Emily H

    5 star ratingVery professional! We had been very excited to go on the glowing bay adventure excursion and then had a problem and couldn't get there. Island kayaking adventures treated us very fairly and professionally. We will definitely book with them the next time... read more

    karengN5378XK Avatar
  • 5 star ratingBio bay fajardo Hello, I took the tour yesterday, 09.02.2019 and it was incredible! Perfect experience of seeing the lagoon shining because of the dinoflagellates! in addition, the staff that accompanied us were extremely helpful, both before and during and after the tour.... read more

    joanarf22 Avatar

    4 star ratingPleasantly surprised I'm not a water fan but enjoyed seeing this. The tour guides were helpful and patient. If you are going to take this tour it would be helpful if at least one person in the boat has some kayaking experience... read more

    mufan71 Avatar

    4 star ratingFun nighttime adventure! Staff did a good job getting all the kayaker through the mangrove tunnel in the pitch black, even with inexperienced kayakers. My wife and two daughters and I had a great time - we went on the later 800... read more

    petermendelman Avatar
  • 4 star ratingBio is awesome, Tourists are not We chose this company for the tour because all others were booked. I'm glad we did. They were cheaper than the other companies, and their guides were awesome. The bio-luminescence is a sight to see - very magical.

    The group we...
    read more

    Arkelope Avatar

    5 star ratingKayaking Adventure My husband and I had a great time on this kayaking adventure. Even though it was a full moon so we had to go under a tarp to see the bio luminescent organisms, it was well worth our time and... read more

    danacook Avatar

    4 star ratingAn adventure Our family (two kids7 and 8)enjoyed this adventure very much.

    We started off at about 615 in the dark. Once we reached the mangrove canal it was pitch dark. It was easy to paddle right into the tree branches as...
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    AtlantaLucky7 Avatar
  • 5 star ratingGreat experience We had a great experience with island kayaking. The guides were great and very knowledgeable. The experience was fantastic. we booked late and they were able to accommodate us perfectly. I would recommend island kayaking.

    118bryanw Avatar

    5 star ratingGrandioso! Fue mi primera experiencia en kayak y fue excelente, nos encantó. El equipo fue grandioso, especialmente Diego que nos remolco en el camino y nos contestó preguntas.

    La laguna y el paseo por los mangles fue increíble. Pudimos ver el...
    read more

    V6199FQshirleyr Avatar

    5 star ratingGreat for team building We had the privilege of taking 12 teenagers and young adults kayaking along with Nestor and his fabulous crew this past week. Everyone has been talking about it with awe and excitement since! There were a few who had never... read more

    WONDERandWONDER Avatar
  • 4 star ratingFirst time kayaking We weren't sure about kayaking for the first time -- in the dark--among mangrove trees. We were cautioned that the bio bay was going through a transition and would only sparkle and not glow. We wanted to... read more

    Miss710 Avatar

    5 star ratingInspired Today we went to this tour in where Gary, Daniel, Diego and Nestor were the guides. They show us how to kayaking, constellations , satellites and bioluminescent bay. They took us pictures and gave some snacks. Puerto Rico is... read more

    Difu2021 Avatar

    5 star ratingExcellent trip to see the bioluminescence After reading various reviews we approached this will a little skepticism. As there were 5 of us I rented a car to drive here rather than rely on the minibus, and this gave us opportunity to look around Las Croabas... read more

    uktravailer Avatar
  • 5 star ratingamazing!! My wife and i did kayaking for our first time ever. They gave us a 5-minute tutorial and we were on our way. We started at the head of the group and going with the current down the canal. Our... read more

    josemU271PG Avatar

    5 star ratingBiolumiescent kayak tour This is one of the coolest things I have ever done. This is an evening Bio Bay kayak tour. You kayak thru a mangrove channel and when it gets dark, you can see the bioluminescent organisms in... read more

    Mary Claire C Avatar
    Mary Claire C

    4 star ratingIt's unique! Bioluminescent kayak tour! This is a lot of fun and an experience you'll never forget. Nothing else is like it. Wear insect repellent. Make reservations ahead of time if at all possible. It's educational and adventurous! Don't leave... read more

    Cathy1319 Avatar
  • 4 star ratingA lot of fun but you need stamina We enjoyed our kayak to Bio Bay. It is pretty well organised but it could be said that the group was too large with some inexperienced kayakers causing confusion. The guides are good and friendly and thye bay is well... read more

    cricketer20 Avatar

    5 star ratingBio Bay We were staying in a hotel close to Fajardo. They recommended this company. We had a fun experience kayaking over to the bio bay. Highly organized group that moved at a speed comfortable for all guests. The kayaks are two... read more

    thomasc881 Avatar

    5 star ratingAmazing trip kayaking through the mangrove at night My wife and I went hoping to see the bioluminescence bay. Unfortunately the moon was full so to see them we had to go under a tarp our guides provided. We could see them then but the best... read more

    Todd W Avatar
    Todd W
  • 4 star ratingAmazing experience The guides were clear and always on top of everything. The Fajardo Bioluminescent Bay tour lasted a long time but I only wished we had stayed in the bay more since we had very little time to play around in it.

    Victor G Avatar
    Victor G

    5 star ratingMAGICAL EXPERIENCE! Excellent job done by the tour guys👏👏👏
    They took care of us and on the top of everythi g, they were helping others left behind by other companies. They adviced us not to go too fast or too slow. I saw...
    read more

    sobreshop Avatar

    5 star ratingKayaking en Bio bay Son puntuales un gran servicio y atención. El recorrido es maravilloso. Tienen el cuidado de hacer sentir atendido a todos por igual. El equipo de trabajo es muy bueno y los Kayaks están en muy buen estado. Ofrecen meriendas y... read more

    Damaris S Avatar
    Damaris S
  • 5 star ratingFamily adventure We booked this adventure and was my first time in this place and kayaking a ton night, we had so much fun and we learned about it too. My brother also joined us in this adventure and he loved the... read more

    VIVIAN S Avatar

    5 star ratingBio bay visit My husband and I went with island kayaking adventure to bio bay. It was a fantastic trip . The guides were terrific and put every one at ease . Hotel pick up is available and our driver Francisco was great.... read more

    nadounnyc Avatar

    5 star ratingBio Bay Night Kayak Adventure Very awesome! Rates up there as one of the best things I have ever done in my life! Do the night tour where you see the bay light up as the water glows when you touch it! Water is shallow... read more

    121travelers2 Avatar
  • 5 star ratingReally nice trip This was a very well run operation. They gave us custom driving directions from our hotel and the woman that checked us in was very nice and offered to lock up our wallets, etc. so we didn't have to leave... read more

    reneemm25 Avatar

    5 star ratingWell worth it! Very friendly staff that shared a lot of knowledge about the area. Was a great experience and would definitely recommend!

    David W Avatar
    David W

    5 star ratingSuper Experiencia Disfrutamos desde el principio hasta el final, el personal es super atento y una experiencia para repetir sin duda alguna.

    Solimar D Avatar
    Solimar D


Things To DoTO DO

In Fajardo

Fun Activities

Sea Ventures
Scuba diving excursion, classes and snorkeling tours.

Paradise Seekers
Waterfall Slides Adventures on natural swimming pools.

Where to eat?

Las Vistas Cafe
For Breakfast or Brunch we loved it.

El Bohio Restaurant
Is one of our favorite places to eat local and fresh sea food.

Lodging Around

Fajardo Inn

Sueños del Mar
Vacation Rentals