This south Vieques beach might not sound like much, but it's one of travelers' favorite experiences in Puerto Rico ... Bay unaccompanied, it's best experienced via a guided tour on a boat or ...

Tour operators are also ... called dinoflagellates. The three bioluminescent bays found within Puerto Rico are scattered through different regions. Mosquito Bay, considered the brightest ...

This south Vieques beach might not sound like much, but it's one of travelers' favorite experiences in Puerto Rico ... of bioluminescent dinoflagellates live in each gallon of bay water, and ...