Roca Partida Split Rock at Revillagigedo Islands, Mexico

roca partida islet revillagigedo islands dive boats mexican pacific colima mexico split rock dive site mexican biosphere reserve aerial arc uninhabited island volcano erosion marine life indopacific gulf of california natural protected area natural world heritage site unesco marine ecosystem national park small island remote marine environment vertical walls diving archipelago open water ocean sea boats dive boat revillagigedo volcanic pacific unique ecosystem biosphere reserve galapagos of mexico marine reserve most beautiful dive site guano no people nobody 50fps sky scenic seascape