Dive site field guide

At a glance
Best Time to Dive
Year-round
Water Temperature
28-30°C / 82-86°F
Visibility
5-25m / 16-82ft
Access Type
Boat
Dive Type
Scuba
Difficulty
Intermediate
Max Depth
25 m
Average depth
15 m
Nearest airport
USM
Beneath the surface
Shark Island, named for its fin-like shape, is one of the most biodiverse sites around Koh Tao. The currents that sweep past the island support a huge variety of marine life, from tiny nudibranchs to large groupers and passing pelagics.
Rich biodiversityCurrentsSoft corals
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