Richelieu Rock
Best time to dive
February to April
What you might see
- FrogfishLikely
- Ghost pipefishLikely
- Manta rayReliably seen
- Moray eelLikely
- NudibranchLikely
- SeahorseLikely
- Whale sharkPeak season
Sightings are seasonal probabilities, not promises - even in peak season nature does its own thing.
Certification & difficulty
Advanced Open Water - advanced conditions (currents/depth); dive within your training.
Snorkelling
Snorkel-friendly - Yes - the shallow top of the pinnacle (near-surface at high tide) is snorkelable in calm conditions
Safety notes
Strong/unpredictable currents, heavy dive-boat traffic on a small pinnacle, depth at the base, remote location
Permits & fees
Mu Ko Surin National Park fee (Richelieu Rock lies within this park, ~18km east of Ko Surin Tai): 500 THB foreigner adult, 250 THB foreigner child (3-14); park closed 16 May-14 Oct, sometimes earlier if weather is poor
Permits and operators change - confirm before booking.
Location
Nearest hub: Kuraburi/Khao Lak
This profile is desk research, compiled from public sources - not a first-hand dive report. Coordinates are approximate.

