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Supports occasional eagle rays and whale sharks.
Dive Spot Guide•
Koh Rok Noi
Rocky reef dive with coral mushrooms, macro life, and shark/ray chances.
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Boat-access reef with hard and soft corals, macro life, and calm-weather exploration.
About Koh Rok Noi
Hin Ngam is a rocky reef dive with abundant hard and soft corals, plus a strong macro scene built around coral mushrooms, sea cucumbers, and reef fish. The route rewards slow, careful exploration, with calm-weather pockets that open the deeper line and enough current to keep the site feeling lively. It is a good fit for divers who like reef texture and small life as much as the occasional bigger visitor.
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Research Estimate At Koh Rok Noi
Conservative baseline from public research. No community dives logged yet.
AccessSimple entry
CoralPristine, vibrant coral
Aquatic LifeExceptional variety
FacilitiesLimited facilities
CurrentModerate current
Where Is Koh Rok Noi?
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Community sourced coordinates.
Koh Rok Noi Planning Details
Depth range, seasonality, and planning context.
Reported Depth
15m - 23m
Depth Note
The Koh Rok Noi dive sites average about 15 to 23 m, with calm-weather exploration opening the deeper line.
Best Season
November to April
Typical Conditions
Rocky reef, abundant coral, and current that can range from mild to strong.
Safety & Access At Koh Rok Noi
Hazards, restrictions, and access requirements.
Key Hazards
Strong current
Safety Notes
Keep buoyancy tight over the coral mushrooms, and be ready for current that can pick up on the outer sections.
Access Restrictions
Boat access only; the route is best with a planned line and good buoyancy when the current increases.
Legal Notes
Follow park and boat briefings; the island has limited facilities and park oversight.
Local Intel For Koh Rok Noi
Community notes to help plan your visit.
Scuba Diving
The site is a rocky reef with coral mushrooms, macro life, and a deeper line that opens in calm weather.
Freediving
Only the shallowest reef edge would suit expert freedivers; this is mainly a scuba macro dive.
Snorkeling
Snorkeling is limited to the shallow fringe; the reef's best features sit below the surface.
Wildlife at Koh Rok Noi
Species commonly reported at this site, with direct links into their wildlife guides.
Recent Logged Visits At Koh Rok Noi
Community dive logs and visit reports for this site.
Dive Spot Log Averages At Koh Rok Noi
Average conditions based on logged dives & visits.
No community dive data has been logged here yet. Be the first to record a dive and seed the averages.
