Laguna Grande
Laguna Grande

Laguna Grande

Laguna Grande, Fajardo, Puerto Rico, 00738

The basics

Visitors can set the water aglow and create a trail of light with every stroke of their paddles during guided nighttime bio bay kayaking tours. Laguna Grande tours are usually offered around the cycles of the moon, timed to the darkest nights. Some tours also combine kayaking with an afternoon nature walk to La Mina Falls in the nearby El Yunque National Park.

There are only a handful of places in the world where bioluminescent plankton is consistently found, three of which are in Puerto Rico. In addition to the Laguna Grande bioluminescent bay, this natural phenomenon exists in Bioluminescent Bay (Mosquito Bay) on Vieques Island and the bay at La Parguera. Laguna Grande in Fajardo is surrounded by a red mangrove forest, native to the surrounding El Yunque rainforest and a source of vitamin B12 to the marine plankton.

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Bioluminescent Bay Night Kayaking, Laguna Grande, Fajardo
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Bioluminescent Bay Night Kayaking, Laguna Grande, Fajardo
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$65.00 per adult
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Trip highlight
This was the most memorable highlights of our trip to PR! Seeing the micro-organisms glow at night was spectacular! We forgot our bug spray, and were thrilled that the gift shop sold it. A must have for this trip.
Jean_M, Apr 2024
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Things to know before you go

  • Kayak tours typically navigate through a tunnel of mangrove trees before reaching the glowing waters.

  • Swimming in this bio bay in Puerto Rico is not allowed; you can swim and snorkel in the bay at La Parguera.

  • Guides will sometimes bring a cover so that the tour group can observe the bioluminescence in complete darkness without starlight.

  • You do not need Laguna Grande tickets to access the bay.

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How to get there

Laguna Grande is located in the Las Cabezas de San Juan Nature Reserve, just off the shores of Fajardo, Puerto Rico, and about 40 miles (65 kilometers) or an hour’s drive east of Old San Juan. Tours typically depart from San Juan or Luquillo, which is 9 miles (15 kilometers) away.

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When to get there

Kayaking trips frequently set out in the early evening around sunset, launching from Las Cabezas with a tour guide or instructor. The best time to experience the bioluminescent bay is when the sky is especially dark due to little or no moonlight, so try to book your tour around a new moon and avoid days surrounding a full moon.

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El Yunque Rainforest

Sometimes coupled with a guided tour of the Fajardo bio bay, a visit to El Yunque National Park is a must-do for nature lovers visiting Puerto Rico. It is the only tropical rainforest in the United States Forest Service and features well-defined walking trails, lush landscapes, and plenty of wildlife such as the Puerto Rican parrot and the Coqui frog.

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Frequently Asked Questions
The answers provided below are based on answers previously given by the tour provider to customers’ questions.
Q:
What are the nearest attractions to Laguna Grande?
A:

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