Operator page describing Samran Pinnacle as a regular full-day boat-dive stop with low crowding.
Offshore Koh Tao pinnacle dive with current and big-fish action.
Offshore Koh Tao pinnacle dive with current and big-fish action.
Samran Pinnacle is an offshore Koh Tao pinnacle site built around three granite heads rising through the water column between Koh Tao and Sail Rock. It is a current-sensitive dive with soft corals, anemones, and dense reef fish around the rock faces, plus occasional pelagic action in the blue. Experienced divers come here for the big-fish feel, strong structure, and a very different kind of Gulf of Thailand dive.
Conservative baseline from public research. No community dives logged yet.
Depth range, seasonality, and planning context.
Reported Depth
9m - 30m
Depth Note
Three granite pinnacles rise from deeper water to a shallowest point around 9 m, with the main structure in the high-20s to about 30 m.
Best Season
May to September
Typical Conditions
Currents can range from mild to strong, and visibility can swing, so the site rewards calm windows and experienced boat teams.
Hazards, restrictions, and access requirements.
Key Hazards
Safety Notes
Current and depth are the main hazards; keep tight buoyancy and be ready to leave if the boat cannot hold the site cleanly.
Access Restrictions
No fixed mooring line is typically noted, so the boat crew has to site the pinnacles cleanly and the conditions need to cooperate.
Legal Notes
Treat Samran Pinnacle as an operator-managed offshore dive rather than a shore site; follow boat and weather limits.
Community notes to help plan your visit.
Scuba Diving
Advanced scuba only; the pinnacles and current make buoyancy and navigation more important than route complexity.
Freediving
Not a freedive target; the depth and current exposure make it a scuba-first site.
Snorkeling
Not a snorkel site; the key structures sit too deep and too exposed for meaningful surface viewing.
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
Operator page describing Samran Pinnacle as a regular full-day boat-dive stop with low crowding.
Operator blog describing Samran Pinnacle as a fish-rich third dive after Sail Rock.
Tourism Authority of Thailand article covering the Lower Gulf and Koh Tao diving season.
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