Independent travel write-up for coral, fish, and access context.
Rayong pinnacle with coral, schools, and current timing.
Rayong pinnacle with coral, schools, and current timing.
Boat access and current timing make local dive-boat support the normal way to run the site.
Hin Pueng is a Rayong boat dive split into west and east pinnacles, with a coral-covered wall on one side and schooling fish on the other. The site is known for hard coral, mixed reef structure, and a route that often rewards a second pass if you want to see both sections properly. Boat timing and current changes matter as much as the bottom topography, so the best dives are the ones where you stay relaxed and let the pinnacles reveal themselves piece by piece. When conditions are settled, it can deliver barracuda, snapper, frogfish, pufferfish, morays, and occasional whale sharks alongside the coral.
Conservative baseline from public research. No community dives logged yet.
Depth range, seasonality, and planning context.
Reported Depth
15m - 25m
Depth Note
The site is split into west and east pinnacles, with shallow top sections and logged dives around the mid-20s; a full look often takes more than one dive.
Best Season
Year-round, with the calmest windows when the Eastern Gulf is settled.
Typical Conditions
Coral-covered pinnacles, schooling fish, and a site that often takes two dives if you want to see both sections fully.
Site conditions, restrictions, and access requirements.
Site Conditions
Safety Notes
Keep your trim steady across the coral and be ready to adapt if current or visibility changes between the west and east sections.
Access Restrictions
Boat access and route timing matter; this is best run with a local operator rather than as a casual shore option.
Legal Notes
Standard Thai marine rules apply.
Community notes to help plan your visit.
Scuba Diving
A twin-pinnacle boat dive with coral structure, schooling fish, and a west/east split that often benefits from two passes.
Freediving
Not a primary freedive site; the pinnacles are better suited to scuba.
Snorkeling
Snorkelling is secondary and limited to the calmest shallow sections.
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.
Last Updated
Research Sources
Independent travel write-up for coral, fish, and access context.
Max-depth reference and nearby-site context.
Day-trip and route context for East/West Alhambra Rock.
Know this site? Improve Spot Details.

Boat-dived Rayong pinnacle with coral and schooling fish.

Boat-access east pinnacle with coral and reef fish

Mun-Nai Cube is a shallow artificial reef in Rayong.

Shallow jetty dive beside a turtle sanctuary with strong macro life.

Easy Samaesarn reef with shallow coral and sandy slope.

Boat-only rock dive in southern Samaesarn with hard coral and macro life.