Tours and activities

Bioluminescent bays of Puerto Rico

Puerto Rico Vieques Vieques

Bioluminescent bays of Puerto Rico
Photo: Jaro Nemčok, CC BY-SA 3.0, via Wikimedia Commons

Puerto Rico has three of the world's brightest bioluminescent bays, where tiny organisms glow blue when the water moves. Mosquito Bay on Vieques is the brightest; Laguna Grande in Fajardo is easiest to reach.


Go on a kayak or electric boat tour on a moonless night. Swimming is not allowed.

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