Spend an eight-hour day diving Sail Rock, the Gulf of Thailand’s dramatic pinnacle. This certified-diver trip delivers two guided dives, diverse marine life, and the chance of a whale shark sighting—plus on-board meals and transfers from most Koh Phangan pick-up points.
Spend an eight-hour day diving Sail Rock, the Gulf of Thailand’s dramatic pinnacle. This certified-diver trip delivers two guided dives, diverse marine life, and the chance of a whale shark sighting—plus on-board meals and transfers from most Koh Phangan pick-up points.
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Operated by Asia Blue - Scuba · Ko Pha Ngan, Surat Thani
A bobbing day-boat slips its mooring before dawn and the Gulf of Thailand opens like a dark page. By mid-morning a lone pinnacle rises from the blue—Sail Rock—its chimney yawning beneath the surface and the boat’s engine humming a steady promise of current and life.
moderate.
8 hours.
Moderate—able to perform two dives (to ~18–30m) and handle short boat transfers; comfortable with stairs and basic gear handling.
Yes—this trip is open to certified divers only; proof of certification and recent dives may be checked.
Typical dives target features around 8–18m for the chimney and can go deeper along walls up to 30m depending on conditions and guide plan.
Most resort transfers on Koh Phangan are included; transfers from Haad Yuan or Haad Tien are not available and Thong Nai Pan may require a taxi fee.
Expect schools of mackerel and barracuda, groupers, wrasse and reef fish, with occasional sightings of morays, scorpionfish, and sometimes whale sharks.
Sail Rock is a prominent seamount in the Gulf of Thailand used by local fishers and divers for decades; its structure formed as an isolated pinnacle that rises sharply from the seafloor.
High diver traffic has stressed local coral—many operators enforce buoyancy briefings and encourage reef-safe sunscreen and no-touch policies to protect the site.
Asia Blue - Scuba operates guided outdoor trips and adventures with an emphasis on safety, stewardship, and memorable experiences.




Book with Asia Blue - Scuba
Book directly with Asia Blue - Scuba for the best rates and real-time scheduling.
Reserve Now