A visit to La Parguera Phosphorescent Bay, Puerto Rico, on the southwestern part of the island (30 mi/48 km west of Ponce and southeast of Mayaguez), one of the country's three rare bio bays, is ...

This south Vieques beach might not sound like much, but it's one of travelers' favorite experiences in Puerto Rico. During the day, Mosquito Bay is nothing special as Caribbean beaches go.