On one of the most remote tropical islands on Earth, a million hungry crabs share a thin ring of dry land with tens of thousands of birds, 2,000 invasive rats, the rusting remains of a guano industry, and the occasional adventurous visitor. M/V Argo ,DEEPSEE submersible and National Geographic Pristine Seas documented this remote Atoll.

Private Conservation Charter- National Geographic Pristine Seas on board M/V Argo and DEEPSEE submersible.

Some 540 kilometers south of Baja California lies the Revillagigedo archipelago, which consists of four islands of volcanic origin: Socorro, Clarion, San Benedicto, and Roca Partida. Known as the “Galápagos of Mexico,” this iconic dive destination contains one of the largest aggregations of sharks and manta rays in the world, as well as tuna, humpback whales, and five species of sea turtles.

The Desventuradas Islands. Despite their name, meaning “unfortunate” in Spanish, the islands of San Ambrosio and San Félix lie amid some of the most pristine waters in the eastern Pacific.

The remote island of Malpelo is recognized as one of the best diving sites in the world.