“In other parts of the world, bioluminescence is seasonal,” explains Sharon Grasso, a tour guide on Vieques. “But here, the water glows brightly year-round.” Each night Grasso shows off the natural beauty of the bay.
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Before visiting Mosquito Bay, it's a good idea to check the weather forecast. Mosquito Bay is accessible all year, however, the bioluminescence is best noticeable here between June and November. The water is warmer and the organisms are more active during this period, resulting in a brighter and more intense glow.
While the bio bays have some bioluminescence year-round, the best time of the year to visit them is during the dry season, from December to mid-April. Heavy rainfall can cloud the water and make it harder to see the glow from the dinoflagellates.
The brightest bioluminescent bay in the world, Mosquito Bay in Puerto Rico, is worth a visit, but it does take some planning. Let's take a look at the best time to see the water's bright luminescence and how to plan your trip accordingly.
Mosquito Bay is located on the island of Vieques, east of the coast of Puerto Rico. Mosquito Bay is the brightest and best-known bioluminescent bay in the world.