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 for an additional $25-per-person fee. Service required minimum of 8 passengers and is subject to availability, please call us in advance to confirm availabilty.

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Level icon

Skill Level: Beginner

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Duration: 2 Hours

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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

  • 4 star ratingBeautiful The trip was beautiful. We were lucky to have little moonlight. Even the experience of rowing through the passages to the bio bay was cool. I wish there would have been time in the bio bay to play around but... read more

    emei4 Avatar

    4 star ratingBio-bay Tour 45$ p.P.
    Tolles Erlebnis, magische effekte, aaaaaber:
    Wir haben uns für diesen Preis und die angesetzte Zeit mehr erhofft. Das paddeln war Spaß und hat die Spannung aufgebaut ubd mit Sicherheit auch die Belohnung attraktiver gemacht, dennoch sind 10 Minuten Verweildauer im...
    read more

    Frederic S Avatar
    Frederic S

    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
  • 5 star rating¡Excelente experiencia! Me encantó la experiencia. Todo muy organizado y el equipo está muy bien preparado. Me sentí segura y en familia en todo momento. Se nota que el equipo da la milla extra y que están siempre bien... read more

    solanshmt Avatar

    5 star ratingAbsolutely Amazing This was my husband and I's first time to Puerto Rico for our honeymoon, we planned on going on this kayak adventure a month before we went. We were amazed and it was such a great experience. I would highly... read more

    Katy C Avatar
    Katy C

    4 star ratingKayaking in Puerto Rico Kayaking at night was an adventure. I wanted to do it but if I had known about how we had to kayak at night and how hard it is; since I have never, never kayaked before I would had gone... read more

    Lesa R Avatar
    Lesa R
  • 5 star ratingHighlight of our trip! I've never kayaked before, and was nervous from reading some reviews. It was SO EASY! Took absolutely no strength at all. The water was so calm and smooth, we just coasted along. The pitch dark mangrove was so... read more

    chiromommy 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

    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 ratingOverall the kayaking experience was great. The illuminations were not great, but the science behind them was great. Guides were super friendly and made the experience fun. Thanks to Daniel & Abel. Abel was very helpful and guided my two granddaughters and me through the tour.

    Gma6869715 Avatar

    5 star ratingGreat experience!! We took the Bio bay trip with Island Kayaking Adventure. Excellent tour guides! Great experience kayaking through the mangroves with arguing couples because one of them is not rowing in the right direction. Quite funny! ... read more

    Ninjat 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
  • 5 star ratingInformative, family oriented and just simply a very cool adventure. Cool experience at Fajardo. Las Cabezas de San Juan is a beautiful place and they (Island Kayaking) helped us experienced it further. The guides instructed us and our little girl on the safety and procedures of the tour as well... read more

    gabo_deleon Avatar

    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 ratingSuper cool experience Great assistance of the staff. We had a very fun and cool experience. My husband and I wore swimming clothes and went to the tour at 6:30pm. The place is easy to find using google maps and has a parking... read more

    nat_liab698 Avatar
  • 5 star ratingGran tour! Empresa muy recomendable, nos dieron un gran tour con mucha información, siempre predispuestos a ayudar y muy amables!
    Muy recomendable!!!!

    Stefanía W Avatar
    Stefanía W

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

    NaomiVictoriaaa Avatar

    5 star ratingGreat experience altogether Everything from the booking process to the tour itself was excellent.

    I booked it calling them directly, the lady gave me an excellent explanation of what to expect so we would be aware of how the experience was and we...
    read more

    NomadicEarth Avatar
  • 5 star ratingAmazing night tour We had a great time with Island Kayaking Adventure on our visit to Luquillo. The night tour was amazing, the guides were very informative and the whole experience was great!

    365solm Avatar

    5 star ratingGreat fun!!! We heard about the Bio Bay kayaking tours and decided to try it. I did not plan ahead and found Island Kayaking through the resort concierge. The first few places I called were booked up but Island... read more

    Steve R Avatar
    Steve R

    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 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 ratingvery worth it! the tour guides were super friendly and funny, and made you feel very safe on the trip. the experience was amazing! highly recommend bug spray though! the tour was very organized and affordable. but keep in mind you are kayaking... read more

    sarahmcgee12 Avatar

    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
  • 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

    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 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 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 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

    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


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