At a glance
Best Time to Dive
November to April
Water Temperature
27-29°C / 81-84°F
Visibility
15-30m / 50-100ft
Access Type
Boat
Dive Type
Scuba
Difficulty
Intermediate
Max Depth
35 m
Average depth
18 m
Nearest airport
HKT
Beneath the surface
Often cited as Thailand's best dive site, Richelieu Rock is a submerged pinnacle in the Andaman Sea. It's famous for its vibrant purple soft corals and as a feeding ground for whale sharks during the season.
Whale sharks (seasonal)Purple soft coralsSeahorsesMacro life
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