The Blue Horizon Boutique Resort

Bioluminescent Bay

A magical experience you will never forget! 

Vieques Island has one of the world’s best bioluminescent bay. Puerto Mosquito (Mosquito Bay) is located on the southern shore of Vieques Island. This magical bioluminescent bay (bio bay) has been officially declared the brightest recorded in the world by Guinness Book of World Records 2008.

Please don’t leave Isla de Vieques without taking a tour of this magnificent and magical natural wonder. It will be a magical, priceless memory to remember for a lifetime.

It is best experienced during a “New Moon” phase, so we’ve included an interactive moon phase calendar below to help you plan your trip accordingly.

In the waters of Mosquito Bay there are organisms named Pyrodinium bahamense, Dinoflagellates (dinos). These “dinos” are responsible for this amazing natural phenomenon. When the “dinos” come into contact with another organism or shaken they produce a bright burst of blue light.

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