PADI Koh Phangan: Courses, Sail Rock & How to Choose

Featured image: Uri Sittan Tripo, CC BY-SA 3.0, via Wikimedia Commons.

PADI, SSI or neither: how to check a Koh Phangan dive shop

Koh Phangan has a handful of dive schools, mostly in the north and east of the island. Some teach PADI, some teach SSI, and some work independently. Long-running Dive Inn, for example, describes itself as an SSI center, so a PADI search can land on SSI shops. Both agencies are major training bodies, and their entry-level certifications are generally treated as comparable. PADI lists its full course ladder on its official courses page. SSI publishes its own dive center locator. Use the right agency's tool to confirm any shop's status. Our Koh Phangan dive shop comparison helps you shortlist.

• Ask which agency the shop and the instructor teach for.
• Look the shop up in the agency's own locator rather than trusting a booking site.
• Ask how many students go with one instructor.
• Ask which languages the instructor speaks.
• Ask what the boat, equipment and pickup are covered by the price.
• Ask what happens if rough seas cancel the trip.

Which PADI course or trip fits you

Pick by experience, not by price. A Discover Scuba Diving session needs no certification and keeps you at limited depth beside an instructor. Open Water Diver is the first full certification, and operators on the island list it as a 3-day course. Certified divers who have not dived in a while can book a refresher. Companions who prefer to stay near the surface can look at snorkeling around Koh Phangan instead.

Sail Rock: what a day trip really involves

Sail Rock sits between Koh Phangan and Koh Tao, slightly closer to Koh Phangan. This submerged pinnacle rises about 8m above the surface and reaches around 40m deep. Its best-known feature is the chimney, a vertical tunnel running from about 5m down to 18m. Trips leave by boat with pickup from your accommodation, and one reseller listing puts a Discover Scuba day at about 8 hours with lunch and equipment included. Seas can turn rough, so boats may cancel or reroute. Ask beforehand whether a beginner session stays shallow and where the instructor will take you. Other options are listed in our Koh Phangan dive site rundown. Koh Ma, off Mae Haad, offers an easier alternative with a maximum depth of about 20m. Non-divers can snorkel there, as covered in our Koh Ma snorkeling notes.

What PADI courses cost on Koh Phangan, and what to ask is included

Prices and hours checked November 2026. Quote ranges, not single figures, because operators change rates by season and inclusions. One SSI center lists a certified-diver Sail Rock trip at ฿3,300 and Try Diving at ฿4,300. Its Open Water course is ฿12,900 over 3 days. Treat these as operator-listed examples for comparison. Reseller pages add another layer. One US-based listing for a PADI Discover trip includes pickup, lunch and equipment, but states that all sales are final. Booking direct with a shop often gives clearer refund terms for weather cancellations. Compare operators in our dive shop listings before you commit.

• Sail Rock trip for certified divers: ฿3,300 (1 day)
• Try Diving: ฿4,300 (1 day)
• Refresher with 2 dives at Sail Rock: ฿3,800
• Open Water Diver: ฿12,900 (3 days)
• Deep Diver Speciality: ฿8,500 (2 days)
• Rescue Diver: ฿11,900 (2 days)
• Snorkeling trip at Sail Rock: ฿1,700
• Underwater photo or video add-on: ฿1,500, sold only with another package

Best time to go and what the sea is like

SSI's regional guide reports water around 29°C year-round. It calls March to June the drier months and says a 3mm shorty wetsuit is usually enough. Wetsuits also guard against jellyfish stings. No Gulf of Thailand month is guaranteed calm, so book flexible dates around your Sail Rock day. Angthong Marine Park trips run only when enough divers sign up, so ask a shop early if you want to go. Park rules come from the Department of National Parks.

Health, safety and eligibility

Every course starts with a medical questionnaire. Answer it honestly and see a doctor first if any answer flags a concern. One reseller listing advises against diving with spinal injuries, pregnancy or poor cardiovascular health, and asks for moderate fitness. Divers Alert Network publishes guidance on waiting before you fly after diving. Follow it before your flight home. Sail Rock can have current, so tell your guide how comfortable you feel in the water.

Getting to Koh Phangan and around to the dive shops

Koh Samui has an airport, and the flight from Bangkok takes about 1h15. From Samui, take a ferry to Koh Phangan. You can also fly into Surat Thani, take a bus to the ferry port, then board a ferry. Check ferry timetables with the operator you choose. Most dive schools sit in the north and east, so ask whether pickup is included. Mae Haad is the base for Koh Ma, which a sand strip connects to Koh Phangan at low tide. See our Mae Haad area guide for the neighborhood. Koh Tao is smaller and more crowded than Koh Phangan, and SSI's guide describes its diving as cheaper.

Common mistakes to avoid

Most problems come from rushed booking.

• Booking on price alone, without comparing inclusions.
• Assuming every shop is PADI.
• Skipping the medical form until arrival.
• Buying a non-refundable reseller trip without reading the weather terms.
• Underestimating the ferry time to the island.