Bio Bay Laguna Grande Fajardo

Couple at bio bay fajardo Excursion cost is 45 dollars

Discover Fajardo’s World Famous Bioluminescent Lagoon

Quick Facts

  • Duration: 2 hours

  • Available from Monday through Saturday Only

  • Launch Site: Las Croabas, Fajardo.

  • Skill Level: Adults and children (6 years and up)

  • Light Snacks, water and refreshments served.

girl at bio lagoon

An adventure not to be missed while in Puerto Rico! Join this fully guided night trip into one of the most amazing natural phenomena of the world! Paddle your way through the mystical mangrove channels leading to “Laguna Grande.” There, you will meet our glowing friends, the Pyrodinium Bahamense, a microscopic plankton capable of producing natural light at the touch of your hand!

Explore these amazing organisms up close as our professional eco guides take you to discover all its secrets. Learn how this fragile and unique ecosystem maintains a perfect balance of life, and what you can do to protect such a special place.

Pyrodinium Bahamense

Our famous 2 hour bio bay kayak tour includes interesting interpretations about the reserve fragile ecology, star constellations, and a fascinating encounter with billions of bioluminescent organisms. Watch how every stroke of your paddle leaves behind a glowing swirl of blue light, and fish light up their path like shooting stars in the water. The adventure to Laguna Grande can only be described as magical, creating memories that will last a lifetime!

girl at bio lagoon

Computer made Illustration
of the Bioluminescent effect
in Laguna Grande.
[Swimming not permited]


March-August

  • Early Evening Bio Bay Kayak Excursion
    Check In: 6:00pm

    Mid Evening Bio Bay Kayak
    Excursion
    Check In: 8:30pm

September-February

  • Early Evening Bio Bay Kayak Excursion
    Check In: 5:15pm

    Mid Evening Bio Bay Kayak Excursion
    Check In: 7:45pm