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Vieques and Culebra Sights

Puerto Mosquito Bioluminescent Bay

  • Reach via unpaved roads off Rte. 997 Map It
  • Body Of Water/Waterfall
  • Fodor's Choice

Updated 03/27/2014

Fodor's Review

East of Esperanza, Puerto Mosquito Bioluminescent Bay is one of the world's best spots to have a glow-in-the-dark experience with undersea dinoflagellates. Local tour operators offer kayak trips or excursions on nonpolluting boats to see the bay's microorganisms, which light up when the water around them is agitated. Look behind your boat, and you'll see a twinkling wake. Even the fish that swim through and jump from the water will bear an eerie glow. The high concentration

of dinoflagellates sets the bay apart from the other spots around the world (including others in Puerto Rico) that are home to these micro-organisms. The bay is at its best when there's little or no moonlight; rainy nights are beautiful, too, because the raindrops splashing in the water produce ricochet sparkles that shimmer like diamonds.

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Feb 15, 2007

Worth the trip

The most AMAZING experience that's not to be missed. Be sure you schedule your kayak tour when there is no moon for the ultimate viewing.

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