White dive boat near guano covered Roca Partida rocky islet in Pacific, aerial

roca partida white dive boat rocky islet pacific aerial revillagigedo islands liveaboard natural protected area natural world heritage site dive boats mexican pacific colima mexico split rock dive site mexican biosphere reserve arc uninhabited island volcano erosion marine life indopacific gulf of california unesco marine ecosystem national park small island remote marine environment vertical walls diving archipelago open water ocean sea boats revillagigedo volcanic unique ecosystem biosphere reserve galapagos of mexico marine reserve most beautiful dive site guano no people recreational diving 50fps