Florida Keys National Marine Sanctuary

... ground. This area is now famous for diving. The underwater park, John Pennekamp Coral Reef State Park and Key Largo National Marine Sanctuary lie offshore. Snorkeling, scuba and glass bottom boat trips are the thing to do. But, being January, the water ...

... Pennekamp Coral Reef State Park. The park is the first undersea park in the US, this plus the adjacent Florida Keys National Marine Sanctuary, covers around 178 nautical square miles of coral reefs, seagrass beds and mangrove swamps. The park is named ...