Galápagos Sea Lions are found throughout the Galápagos Archipelago on all the major islands and on many smaller islands and rocks. A colony was established in 1986 at Isla de la Plata, just offshore from mainland Ecuador, but this site is not regularly used. Vagrants can be seen from the Ecuadorian coast north to Isla Gorgona in Columbia. There is also a record from Isla del Coco approximately 500 km southwest of Costa Rica, presumably a vagrant.