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Trio Island 癩痢

Trio Island (Tai Lak Lei) is an isolated reef with underwater cliffs and rocky slopes featuring rock or sandy-rocky seabed. Dive sites surround the island. Located near shipping lanes with frequent fishing activity. The smaller reef Lai Lei
November 3, 2026 by
Trio Island 癩痢
Area
Outer offshore waters.
GPS
22.301548, 114.318742
Depth
Within 10 m.
Minimum certification
OW
Conditions
An exposed cliff and reef near a navigation area, affected by natural swell. The bottom is rock or a mixture of sand and rock, and visibility depends on sea conditions. Scattered corals or anemones.
Hazards
Diving activities or training are unsuitable in southeasterly, southerly or southwesterly winds above Force 4. This exposed cliff and reef lies near a navigation area, and anglers often fish here.
Access
Boat access is required.

Introduction

Trio Island (Tai Lak Lei) is an isolated reef with underwater cliffs and rocky slopes featuring rock or sandy-rocky seabed. Dive sites surround the island. Located near shipping lanes with frequent fishing activity. The smaller reef Lai Lei Tsai to the north has similar conditions.

Highlights

Corals, anemones and swimming fish.

Notes

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Boat schedule · Dive sites

Tai Chau 大洲
Tai Chau sits alongside Tsim Chau and Lan Tau Pai in an isolated island cluster in the centre of Tai Long Bay, boat access required, good marine habitat. HKUA's entry does not give Tai Chau its own separate coordinates or depth reading; the