The Cayos de Caña Gorda is a group of three uninhabited, mangrove-covered cays, located at off the southwestern coast of Puerto Rico. They belong to barrio Caranero of Guánica municipio. The eastern cay, Isla Ballena is separated from the Puerto Rican mainland close to Punta Ballena only by a 20 m wide channel. The western cay, also called Gilligan's Island (after the TV series), or Cayo Aurora, is served by boat (600 m from the mainland at Punta Jacinto) and has public beaches. Between the two is Cayo Honda, the central cay. The total land area is 0.18 km² (177,606 m², Block 1069, Block Group 1, Census tract 9611, Guánica Municipio, Puerto Rico).