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

kayaking - copy
kayaking - copy
previous arrow
next arrow

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 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.

Kayaks Top Image2
Level icon

Skill Level: Beginner

time icon

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 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 ratingGlowing Bay Adventure This was such a fun excursion for our family. The guides were so patient and helpful. Definitely recommend!

    Tourist597058 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 ratingAwesome! Great experience. Friendly and helpful staff. Very knowledgeable and fun. Had a great time. Definitely recommend.

    NaomiVictoriaaa Avatar

    5 star ratingAn adventure like none other This was a great activity in Puerto Rico. We went out around 6:30pm and I recommend this time over the later time as there is still daylight when you head out in the kayaks through the mangroves. The... read more

    Erica J Avatar
    Erica J

    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 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

    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

    5 star ratingReally cool evening Island Kayaking Adventure was fantastic. Professional, prompt, good equipment, nice and helpful and knowledgeable guides. I only wish we had a little more time on the lagoon - maybe an extra 15 to 20 minutes.

    FYI, you're going with a...
    read more

    Joseph L Avatar
    Joseph L
  • 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

    4 star ratingWorth the trip, but regular kayakers will be frustrated! The bio bay itself is beautiful and certainly worth the dark and somewhat spooky trip to the lagoon. We took the later night tour on a sliver moon night, so it was definitely dark. There are a large... read more

    ChrisChrist Avatar

    5 star ratingFun time! Very interesting and unique! Half the fun of kayaking with 20 other boats is watching the couples fight as they try to keep their boats straight in the small canal. That being said, it was a great experience and I highly recommend it.... read more

    EstySLC Avatar
  • 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 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 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 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 ratingFirst Time Kayaking and it was AMAZING Booked the Bio-luminescence tour while our cruise ship was in port. The guides were very helpful, and the plankton was awe inspiring. My wife was less impressed as a first-timer and not as adventurous as I. Wear swim clothes, and... read more

    228jeannines Avatar

    4 star ratingSo cool! Myself and my kids (18 & 21) really enjoyed this adventure! Well organized and Gary and his crew did a great job keeping everyone together. The bay was mesmerising!

    Gordy414 Avatar
  • 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

    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 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
  • 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 ratingI think it was technically in Fajardo, PR. Put you in a kayak, paddle through the mangrove canal, see the bioluminescent water, paddle back. I've swam in the bio water in Jamaica. I don't recommend Jamaica over Puerto Rico, but do this trip if you have interest in... read more

    steve w Avatar
    steve w

    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 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 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 ratingGreat kayaking adventure - sparkling waters! We were staying at the El San Juan Resort & Casino and their Bio Bay packages were sold out. So we booked our trip through the group on the beach. The company was called New Horizons.Sandy our tour guide (who... read more

    QueenMJC Avatar
  • 4 star ratingAwesome but ad is misleading One of the most interesting things I have ever experienced. Not for the out of shape or those afraid of the dark because there are times when you can barely see you own hand in front of you. The only... read more

    Branden0921 Avatar

    4 star ratingYou better like your partner! As with many other reviews, this one is split into two parts as well.

    In regards to Island Kayaking Adventure and their guides, I was more than satisfied. They had quality equipment, gave us a decent explanation of what to...
    read more

    Katie W Avatar
    Katie W

    5 star ratingIsland Kayaking Adventure Excellent time. Miguel was our group leader. He was straight forward and funny. Very personable. Please bring a change of clothes as you will get wet. I recommend that you give yourself some time to get to the meeting point.... read more

    Irishcav104 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