Submerged Rock

Submerged Rock: Small seamount with a swim-through arch. Hammerheads and occasional whale sharks.

Depth

10–30m

Current

Moderate

Diver level

Advanced open water

Entry

Boat

Unique features

Small seamount with a swim-through arch
Hammerheads and occasional whale sharks

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.