Gato Island

Gato Island: A swim-through tunnel (the tunnel suits Advanced divers). Resting whitetip reef sharks ("Whitetip Alley"); Banded sea snakes, cuttlefish, seahorses and nudibranchs; a marine reserve.

Depth

530m

Current

Moderate

Diver level

Open water

Entry

Boat

Unique features

  • A swim-through tunnel (the tunnel suits Advanced divers)
  • Resting whitetip reef sharks ("Whitetip Alley")
  • Banded sea snakes, cuttlefish, seahorses and nudibranchs; a marine reserve

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 other than the island itself are approximate.