Bioluminescent Bay @ Fajardo

Harbor / Marina, Beach, and Other Great Outdoors
Las Croabas, Puerto Rico

Based on 152 votes

People like this place

  • What you need to know
    Carl G.
    "Linger behind your group out of the mangroves."(7 Tips)
    "your trip to Puerto Rico."(4 Tips)
    Michael S.
    "Pure Adventure has a wonderful kayak experience!"(2 Tips)
    Sheba K.
    "It doesn't sound scary kayaking at night once you know that :-)"(2 Tips)
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54 tips and reviews.

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  • Foodiespr

    Part Of The Top 5 List on The things to do at the Foodiespr App, check it if you are planning your trip to Puerto Rico.

    Foodiespr · 3 days ago
  • Dave H.

    Guides were good and the lagoon was neat, but you have to be lucky to see the bioluminescence.

    Dave Holtz · 3 weeks ago
  • Mohammad J.

    Go with kayaking puerto rico. Wonderful staff!

    Mohammad Javaid · December 12, 2015
  • Mohammad J.

    This is a must for everyone! Definitely a unique and extraordinary experience.

    Mohammad Javaid · December 12, 2015
  • Kathline D.

    Can get really crowded. But a must do experience! The water glows!

    Kathline Durden · August 2, 2015
  • Ashley K.

    The dinoflagellates and stars are amazing. That is 10-15 min of the 2+ hrs. You don't go that far, it's just dark and chaotic paddling through the canal. I'd spend the $ for a private group next time.

    Ashley King · June 16, 2015
  • Eric F.

    Say hello to the chill Puerto Rican dogs hanging out at the beach right before your mind is blown from seeing the glowing awesomeness in the bay!

    Eric Friedman · May 30, 2015
  • Dens

    Did you know that some scientists have isolated bioluminescent genes and used them to make glowing roses & oak trees? Google it! (

    Dens · May 28, 2015
  • Andrew H.

    IO Puerto Rico Eco Tours is an amazing guide. Much funnier and more engaging than the other tours. No web site, but 787-616-9594 or (787) 613- 3928 or email them at

    Andrew Hogue · May 26, 2015
  • Andrew H.

    Try to get a departure just before low tide. Paddling is much easier, and the bioluminescence will follow you out through the mangroves towards the ocean when you're done.

    Andrew Hogue · May 24, 2015
  • Rory P.

    When you are in the open waters, head to the mangrove trees. It's dark and the plankton really shine

    Rory Parness · May 23, 2015
  • Brian C.

    Don't worry about bringing a camera. It is almost impossible to take photos of the bioluminescence. Instead, use your time instead to tour around the bay to find the best places to see the phenomena

    Brian Chase · May 20, 2015
  • Amol K.

    Try to go when there is no moon or when there is cloud cover

    Amol K · February 1, 2015
  • Glenda M.

    Pure Adventure was a good kayak tour provider. Get an Ocean kayak if possible; they are a bit more stable.

    Glenda McKinney · December 6, 2014
  • jef M.

    Totally worth it. Prepare yourself to paddle as a team through a dark narrow inlet with only the light of the kayak ahead of you to guide you.

    jef McClimans · November 22, 2014
  • 🌴om Z.

    Later at night is better.

    🌴om Z · October 19, 2014
  • Chris G.

    Definitely recommend Kayaking Puerto Rico. Try to come when there's a new moon.

    Chris Gibson · September 23, 2014
  • Harvey S.

    Check to make sure there's no moonlight and jump in!

    Harvey Simmons · September 23, 2014
  • shana

    bring extra set of clothes & shoes (shoes & bottoms will get wet). FYI: mosquito spray, kayak pile ups, single file line, stay on right, watch out for mangroves smacking your face, strong arms!

    shana · September 22, 2014
  • Francisco R.

    A must do if you are on vacation. Book early, it gets crowded. Excellent experience!

    Francisco Rosario · September 5, 2014
  • Stevan M.

    Chose and experienced kayak rental and tour company for the best experience.

    Stevan Martini · June 5, 2014
  • Connie W.

    If you go on the earlier tour (recommended) make sure you use bug spray; and then spray again

    Connie Wong · May 25, 2014
  • Xiomamba

    Don't forget the mosquito repellent...

    Xiomamba · May 8, 2014
  • Rosa💛 {.

    Kayak sounds scary but in a group sounds nice, it was kind of scary cause in straight up dark but this is an experience of a lifetime

    Rosa💛 {Loly07} · May 2, 2014
  • Tony L.

    Advance Tours P.R. is the way to go. Talk to Cruz!

    Tony Landa · April 27, 2014
  • Tony L.

    Teamwork is important in the kayaks. Person in the back, try to synchronize. And practice breaking and back-paddling.

    Tony Landa · April 27, 2014
  • Carl G.

    Breathtaking! Linger behind your group out of the mangroves. Your paddles and kayak light up the water and fish swimming nearby are like lazy lightning through the the tune of chirping coqui

    Carl Gieringer · April 6, 2014
  • Adriana C.

    One of the most magical places in the world

    Adriana Cuevas Conte · March 16, 2014
  • Eileen C.

    Must do if you're within 50 miles of Fajardo. Such an indescribable phenomena, water glows like a leaky glow stick when disturbed!

    Eileen Cotter · March 6, 2014
  • Lorni's L.

    Ya no apesta !! No more stinky

    Lorni's Lorni's · January 26, 2014
  • Bill

    Don't waste your time. Terrible experience and we didn't even see any bioluminaries.

    Bill · January 4, 2014
  • Michael S.

    Pure Adventure has a wonderful kayak experience! Check them out.

    Michael Sgro · November 12, 2013
  • Melissa

    Wear your swim suit!

    Melissa · November 3, 2013
  • Joel G.

    You need to see this bioluminiscent water before u die

    Joel Garcia · August 20, 2013
  • Terry R.

    This is very cool. Take the kids and go late at night, It is very dark and a lot of paddling but you can do it. Great experience. Where water shoes and a swim suit.

    Terry Romano · July 8, 2013
  • Angie G.

    Go on the boat tour first before u kayak, you get a more in depth tour. Try bio island tours. Great ppl.

    Angie Garcia · July 3, 2013
  • Mai N.

    Try to stay in either the front of the group or back to avoid kayak pile ups in the mangroves, you are not "really" allowed to swim in the bay but if you do it quietly they will not say anything.

    Mai Norton · May 7, 2013
  • Laura T.

    Use KPR!!! Everything else is stupid. Great tour guides!! So friendly & the most beautiful thing you will do in your life. Tip your guides well!! They deserve it. (Especially Lucas, he's cute & single

    Laura Talarowski · April 15, 2013
  • Sandra D.

    I don't understand how they allow motor boats in the lagoon. They're just degrading this natural environment in exchange for money from "tours".

    Sandra D. · March 23, 2013
  • Daro M.

    Be sure to bring your bug spray!!!

    Daro Miller · March 16, 2013
  • Faith

    Once in the bay, dip your oar in real deep and swish it around to really get thay bioluminscent glow, so cool.

    Faith · March 7, 2013
  • Ryan D.

    Kayak at night! Awesome

    Ryan De Melo · March 5, 2013
  • Carlo M.

    Splash around at night and see the water magically glow!

    Carlo M · December 19, 2012
  • Garick C.

    If you enjoyed the trip and experience great service, remember to show your appreciation with a tip. :D

    Garick Chan · September 24, 2012
  • Sheba K.

    Use lots of bug spray. Relax , the water while passing through the mangroves is only two feet deep. It doesn't sound scary kayaking at night once you know that :-)

    Sheba Kunhimohammed · May 12, 2012
  • jillian d.

    Keep your distance between kayaks. Enjoy the magical experience!

    jillian dino · April 12, 2012
  • Peter S. Greenberg

    Go kayaking in Misquito Bay at night where the water it is completely lit up by living organisms underneath. Read more to find out other great locations to experience bioluminescence to the fullest! Read more

    Peter S. Greenberg · February 29, 2012
  • Rossini Y.

    Bio luminescent bays, be prepared to kayak in darkness!

    Rossini Yen · September 6, 2011
  • Allison H.

    Put bug spray all over and esp on the bottoms of your feet!! I won't post pics of my bug bites...but the trip is incredible!

    Allison Hayn · September 4, 2011
  • Chad Jeremy

    Take a moonless swim

    Chad Jeremy · August 16, 2011

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