Off the Cabo San Lucas we find the Socorro Island, one of four islands in the Revillagigedos Archipelago, more commonly called the Socorro Islands. The island is about 10 miles by 9 miles in size and is home to the Mexican Naval Station since 1957. Since the customs officials are located here all visitors to this area will have the opportunity to see this island. Its a favorite with scuba divers because the the numerous large animal encounters experienced here. The dive site "Aquarium" is popular for active fish life. Pelagics and dolphins at commonly seen at sites like Cabo Pearce and O'Neil Rock. It can only be reached by boat. Scuba divers visit this area from November through May.