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Tsim Chau 尖洲

Tsim Chau sits isolated in the centre of Tai Long Bay, surrounded by good marine habitat. Multiple dive sites around the island with varied seabed of sand, rock and sandy-rocky mixtures depending on location. Boat access required.
November 3, 2026 by
Tsim Chau 尖洲
Area
Tai Long Bay.
GPS
22.401807, 114.387524
Depth
Within 10 m.
Minimum certification
OW
Conditions
The bottom is sand, rock, or a mixture of sand and rock, depending on the location. The site lies in the centre of Tai Long Bay, on the edge of offshore waters. Visibility depends on sea conditions.
Hazards
Exposed in the centre of Tai Long Bay, with no shelter from the east through south. Activities or training are unsuitable in northeasterly, easterly, southeasterly or southerly winds above Force 3. Watch for turbulent currents between rock crevices.

Introduction

Tsim Chau sits isolated in the centre of Tai Long Bay, surrounded by good marine habitat. Multiple dive sites around the island with varied seabed of sand, rock and sandy-rocky mixtures depending on location. Boat access required.

Highlights

Anemones and corals.

Boat schedule · Dive sites

Basalt Island 火石洲
Basalt Island — 火石洲 — lies on the outer edge of Leung Shuen Wan Hoi in Sai Kung, the largest island of the Ung Kong group. It belongs to the Hong Kong UNESCO Global Geopark, and above water it is known for dramatic hexagonal volcanic column