Dirty Rock

A cluster of volcanic rocks with sheltered channels; among the more forgiving Cocos sites while still delivering big hammerhead numbers.

Depth

12–30m

Current

Moderate

Diver level

Advanced open water

Entry

Boat

Unique features

Boulders and pinnacles with hammerhead cleaning stations
Galápagos sharks, eagle rays and green turtles

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.

A Guide to the Dive Sites of Cocos Island — Aqua-Firma
Best Dive Sites of Cocos Island — ZuBlu

Note on the data: Coordinates are approximate; not surveyed dive-site GPS.