Koh Kood operator overview for local boat diving.
Shallow boat-access reef with training zones and mild drift sections.
Shallow boat-access reef with training zones and mild drift sections.
Hin Ao Yai is normally scheduled through local Koh Kood dive-boat itineraries.
Hin Ao Yai is a shallow reef-and-rock site in the Koh Kood area, where easy training-style sections blend into short current-led drifts across fan-coral patches and fishier edges. Its profile stays forgiving for newer divers in calm water, but the more open sections feel livelier when water movement builds.
Conservative baseline from public research. No community dives logged yet.
Depth range, seasonality, and planning context.
Reported Depth
5m - 10m
Depth Note
Hin Ao Yai is consistently described as a shallow site centered around about 8 m, with some guides listing roughly 5 m average depth and 10 m max depth.
Best Season
Usually most reliable in the calmer November to May window used for Koh Kood diving trips.
Typical Conditions
A shallow reef site with mixed calm and gently moving water, making it useful for training in settled weather and light drift dives when current is present.
Hazards, restrictions, and access requirements.
Key Hazards
Safety Notes
Use the calmer training sections for newer divers and treat any drift line as a separate plan with current checks before entry.
Access Restrictions
Hin Ao Yai is typically reached by operator boat rather than independent shore entry.
Community notes to help plan your visit.
Scuba Diving
Most dives stay shallow and use the easier sections for training or relaxed laps before moving to the more current-touched parts of the reef.
Species commonly reported at this site, with direct links into their wildlife guides.
Community dive logs and visit reports for this site.
Average conditions based on logged dives & visits.
Planning answers for access, conditions, timing, and site logistics.
Last Updated
Research Sources
Koh Kood operator overview for local boat diving.
Know this site? Improve Spot Details.

Shallow Koh Kood reef with rocky coral and easy boat access.

Flexible Trat reef with easy sections and drift potential.

Sheltered Koh Kood reef and snorkel site with underwater statues.

Shallow twin-reef dive on Koh Kood with calm bay access

Three Fingers Reef is a beginner-friendly horseshoe rock in Koh Rang.