Shark Bay (Aow Thian Og)

A shallow sandy bay on the island's south, the most reliable place to see blacktip reef sharks and turtles — the sharks are shy and often easier to spot while snorkelling than on scuba.

Depth

2–12m

Current

Mild

Diver level

Open water

Entry

Boat

Unique features

Resident blacktip reef sharks
Green and hawksbill turtles
Shallow, sandy bay good for snorkelers too

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.

Shark Bay: Where to Spot Black Tip Reef Sharks on Koh Tao — We Seek Travel

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