The Boiler

A football-field-sized guyot on the northwest coast of San Benedicto Island, rising from about 35m to within a few meters of the surface. One of the archipelago's most reliable giant oceanic manta ray cleaning stations, with mantas often passing directly overhead.

Depth

6–35m

Current

Strong

Diver level

Advanced open water

Entry

Boat

Unique features

Reliable giant oceanic manta ray cleaning station
Close-range manta encounters, sometimes within inches

Sources & last checked

Checked July 2026

This is a researched draft, not yet human-verified. The seasonality and logistics are drawn from the sources below — confirm specifics (permits, fees, closures) with an operator before you book.

Socorro Diving (Revillagigedo): Best Time to Go, Giant Mantas, Sharks & Liveaboards — Bluewater Dive Travel
Best Time to Dive in the Socorro Islands Mexico — LiveAboard.com

Note on the data: Coordinates approximated from San Benedicto Island's published position (the site is on its NW coast, no site-specific GPS found).