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.

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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 ratingGreat tour. Informative and fun! Tour guide Diego was the best! He helped my 12yr old daughter and I and was so patient and kind. Our experience would not have been the same without him!

    Bkgyal718 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 ratingGreat EXcursions This is a family owned and operated company. They run on island time and we loved every minute of it. We were never rushed or had to cut something short. If we started late we were able... read more

    Kathy F Avatar
    Kathy F
  • 4 star ratingFun experience We booked this through our hotel, The Verdanza. It was through Castillo tours but I think they sent us out to this place. We were picked up by Hector and taken to Fajardo. It was about an... read more

    christienrandy Avatar

    4 star ratingUnique Experience Our life jackets securely on, we waded into the water to get into our two person kayak. The guide held the kayak for us.

    Hint: wear water shoes and swim suit or clothes you don't mind getting wet. Use mosquito...
    read more

    tmcala Avatar

    5 star ratingReally cool I'm an experienced kayaker and have seen bioluminescence before but I still really enjoyed this excursion! It was special to be able to see my daughter experience it for the first time. Guides are very good. Kept everyone organized. They... read more

    matravelerfamily Avatar
  • 5 star ratingBio Bay Kayaking We did this tour last minute and went on the first of two daily tours. It was still daylight when we set out into the mangroves and waited for dark to arrive in the lagoon. Peaceful settings. Several guides accompany... read more

    Hanni W Avatar
    Hanni W

    5 star ratingMagical The bay exceeded my expectations and the float through the mangroves was magical. It was challenging paddling against the current on the return trip but the guides made us feel safe.

    603tiffanieg 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
  • 4 star ratingFrustrating Experience but Bio Bay was Worth Seeing Above all else - take the EARLIER tour!!

    The bio bay is amazing. It's as if it could be something out of a movie. The sun was setting as we went into the mangrove channel, which is very narrow, and...
    read more

    JenniferSpe Avatar

    4 star ratingGreat Experience They let us do kayaking next day. Great staff, patiently guided us to lagoon.
    Wish they could have taken few more pics, but still thanks to them.

    chandra t Avatar
    chandra t

    4 star ratingBucket List item With a limited number of bio luminescent bays in the world this is a bucket list activity. The staff and equipment were excellent. It is very dark and you really need to know how to kayak at least a... read more

    Ellen H Avatar
    Ellen H
  • 5 star ratingDARK Night Adventure The Bio-luminescent Kayaking Adventure was a lot of fun. There was work involved with two people per kayak and traveling through the pitch dark Mango groves. As long as the two of you work together as instructed it... read more

    Linda J Avatar
    Linda J

    5 star ratingIncreíble! Vine a probar esta experiencia en Puerto Rico. Vengo desde Barcelona y fue algo nuevo y enriquecedor para mi.

    Los monitores estuvieron muy pendientes de nosotros todo el rato y nos instruyeron en cada momento. El viaje hasta la laguna fue...
    read more

    Laia S Avatar
    Laia S

    5 star ratingGreat 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
  • 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 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 ratingExcepcional, excelente , única ❤ Una experiencia excepcional y única fui con mi niños y se lo disfrutaron al máximo. El canal fue súper divertido kayakiando y lo máximo ver los microorganismos bioluminiscentes con todo y la luna llena, luego te permiten kayakiar un rato.... read more

    pmtorres79 Avatar
  • 4 star ratingUnique experience Very unique experience to kayak in the ocean at night through a mangrove forest into a protected lagoon
    the scenery, though dark, is worth it
    it is a mild work-out but not too strenuous.
    More time at the lagoon veiwing the bioluminescence would...
    read more

    Munjal S Avatar
    Munjal S

    5 star ratingNatural wonder This is one of those things you never forget. Truly amazing experience. There are 5 or 6 operators that do these tours and they all seem to have same equipment, same prices and same schedule. Island Kayaking Adventure is one... read more

    yg28 Avatar

    4 star ratingSomething you have to do in PR We had a pleasurable experience with this company. There are multiple companies doing the same thing at the same time so it can be overwhelming at times. Our group had 4 guides with 15 kayaks. We went at 6pm, but... read more

    wischme77 Avatar
  • 5 star ratingbioluminescent kayak tour Beautiful evening! I choose the right evening as the moon was small, so seeing the light of those flagellates was amazing. I also lucked out in being by myself that i had the pleasure of being in the... read more

    Wendyjan Avatar

    5 star ratingAwesome! Great experience. Friendly and helpful staff. Very knowledgeable and fun. Had a great time. Definitely recommend.

    NaomiVictoriaaa Avatar

    5 star ratingIf you go to Puerto Rico, you can't miss this experience I went to bio bay and was an excellent experience, we have a lit of fun on the kayak the tour guys was so patient with all the people, explain every detail of how to use the paddles in the... read more

    Tico1480 Avatar
  • 5 star ratingIsland Kayaking Adventure Trustable company, experience was excellent, I had fun, a lot of workout, use mosquito repellent ( they have, just in case you don't), they take you a picture when you get to the bio bay and you can get it... read more

    myrna b Avatar
    myrna b

    4 star ratingPretty Cool This experience was good. Didn’t see much light in the water. But kayaking down the canal was pretty cool. I highly recommend long sleeve and pants….. and BUG SPRAY!! My whole group got a lot of bug bits!

    Kayla T Avatar
    Kayla T

    5 star ratingAmamos Passeio imperdivel para quem visita Puerto Rico. Muito lindo e mágico.
    O passeio é muito bem organizado e o guia explica tudo sobre esse espetaculo da natureza.

    Francine A Avatar
    Francine A
  • 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 ratingAwesome! Awesome adventure. It was fun.
    Easy paddle and just enough distance/time to enjoy biobay.
    The guides were very knowledgeable in answering our questions.
    Do not pass this unique experience.


    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


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