Although the mainland Chilean coast offers exceptional diving in the plankton-rich waters of the Humboldt Current, the tours on this page are restricted to Easter Island, where diving conditions and marine life are similar to other South Pacific islands.
Easter Island rests on a broad submarine platform, part of a long east-west volcanic ridge or 'hot line.' This platform provides an abundant phototropic zone that supports 144 species of algae and 111 species of tropical and pelagic fish. Six species of corals grow in shallow water around the island, though there are no coral reefs. About one-fifth of all marine flora and fauna is endemic.
The lack of coral reefs around the island has resulted in pronounced coastal erosion, including submarine cliffs and extensive caves. Visibility in these cobalt seas can exceed 120 feet, and water temperatures average 70°F.