Bioluminescent kayak tour Laguna Grande

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2 hrs.
Las Croabas Bay, Fajardo
Min Age : 6+

Experience on of Puerto Rico’s natural wonder.  Encounter nature close up as you paddle through the natural channel that leads yo into Laguna Grande, and the Cape San Juan Nature Reserve.

“As the stars open up above you start to notice with each stroke of your paddle a swirling glow of blue light, like footprints that pass behind in a liquid world”

Once you have arrived on sight, you will be greeted by our professional staff, followed by a quick check in, life jacket fitting, and a kayak 101 with safety briefing.

Your kayaking adventure starts with a short paddle across Las Croabas Bay.  Following your guide, he will take you to the entrance of the Cape San Juan Nature Reserve, navigating the naturel channel that leads you to Laguna Grande and a bioluminescent world.

At the bioluminescent bay you will be given an explanation of why Laguna Grande sparkles and glows, along with the natural history of the Nature reserve, and some star gazing.  You will be given time to experience and play with the bioluminescence before heading back to the start. At the finish there will be snacks and drinking water provided.

$55 per person
Tour with round trip trans­portation: $80 + Tax

Why does the Bio Bay Glow ? - Bioluminescence and Dinoflagellates

Bioluminescence is the light produced by a chemical reaction that occurs in an organism. It occurs at all depths in the ocean, but is most commonly observed at the surface. Bioluminescence is the only source of light in the deep ocean where sunlight does not penetrate. Amazingly, about ninety percent of the organisms that live in the ocean have the capability to produce light.

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Departure & Return Location

Las Croabas Bay, Fajardo, PR

Duration tour & kayaking instruction

  • Tour and checki: 1:30 hrs.
  • Instruction: 30 mins. approx.


Monday-Saturday. 6:30 and 8:30PM

Price Includes

  • Safety briefing and kayaking instructions from one of our experienced tour guides
  • Life jacket
  • A light snack
  • Purified water

Don't forget bring

  • Sunscreen
  • Towel
  • Comfortable clothes
  • Sunglasses
  • Hat

More tour information

  • Difficulty: moderate to high
  • Health: Must be physically fit
  • Weight: max. 400 lbs. per kayak
  • Max. weight per person: 280 lbs.
  • Tour with round trip trans­portation: $75