Cruise over Mosquito Bay (Puerto Mosquito), a bioluminescent lagoon off the southern shore of Vieques Island, and see the water glow blue-green at night. During your 6-hour tour from Fajardo, take a power catamaran at sunset to the town of Isabel Segunda while tropical drinks are served onboard. Enjoy a casual dinner at a local restaurant before an educational pontoon boat ride on Mosquito Bay. you'll witness the magic of microorganisms lighting up the radiant water as your guide explains the science behind this natural phenomenon.