Sunken Island (Copton)

A submerged seamount offshore that tops out around 18m and drops steeply. It attracts schooling fish and the occasional pelagic but is exposed to current, so it is an Advanced dive.

Depth

18–40m

Current

Moderate

Diver level

Advanced open water

Entry

Boat

Unique features

  • Offshore seamount rising to about 18m
  • Schooling jacks, barracuda and pelagic passes
  • Exposed to current, Advanced-level

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.

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