For divers, Desecheo Island, about 13 mi (20 km) off the coast of Rincón, has abundant reef and fish life. Protected by the U.S. Fish and Wildlife Service, this uninhabited island is home to lizards, rats, and Rhesus monkeys, first introduced in 1967 from Cayo Santiago. The main draw here is "Candy Land," a rocky bottom sloping to 120 feet that rims the island. Here long tunnels and caverns covered with purple hydrocoral distinguish one formation known as Yellow Reef.
With visibility of 150 feet, this is also a popular snorkeling spot. There are other sites with plentiful fish and coral in the more shallow water just off Rincón's shores.
Rincón, Puerto Rico