Richelieu Rock
Schools of chevron barracuda overhead while tigertail seahorses, harlequin shrimps and ghost pipefish hide in fields of soft coral.
- Advanced
- Wall
- Whale sharks
Dive site in Similan Islands & Khao Lak, Thailand
Gentle sandy slope with coral bommies, garden eels and Kuhl's stingrays, an ideal check-out dive on a Similan liveaboard.
A reef dive. Known for turtles, stingrays and trevally.
Recommended minimum: Open Water (PADI Open Water, CMAS/FFESSM N1).
Best months: Feb–Apr.
Source: liveaboard.comThe point shows the Similan Islands & Khao Lak area, not the exact dive site.
Schools of chevron barracuda overhead while tigertail seahorses, harlequin shrimps and ghost pipefish hide in fields of soft coral.
Pinnacle
down to 40 m
A hard-coral-topped pinnacle from 12 m where mantas cruise and batfish hang in the current, reached only by liveaboard.
Reef
down to 30 m
Easy 10-15 m dive in Donald Duck Bay, Island 8, with mild current, turtles and Kuhl's stingrays; great for night diving, especially for beginners.
Reef
down to 30 m
Healthy hard coral and abundant fish life, where leopard sharks are common on the reef.
Rock formations
down to 35 m
Boulders, soft corals, arches and passages spread over a huge area, with whitetip sharks often seen in the deeper sand.
Pinnacle
down to 40 m
The biggest pinnacle in the Similans, named after a rock visible from the surface, with swim-throughs to explore.
About this page
Values marked “Estimated” come from our original catalogue and are being checked against published sources one by one. Sourced values link to where they come from. Conditions change with the season, the weather and the tide: confirm with a local dive centre before you dive.