We track 30 dive operators in Sail Rock. 14 teach certification courses (12 PADI, 11 SSI). 12 run snorkelling trips. 4 offer accommodation alongside diving. The biggest cluster is around Ko Pha Ngan, with 8. Listings are ordered by Fin Rank: a published score for how complete and verified each listing is.
The 8 highest-ranked of 30. How Fin Rank works
| Rank | Operator | TripAdvisor | Try dive | Agencies | Website | |
|---|---|---|---|---|---|---|
| 1 | Discovery Divers | 4.8(413) | none | $153 | PADI | Visit |
Which centres run each site, named on their own websites or confirmed by the owner.

Fin lists 30 dive operators in Sail Rock, with the biggest cluster around Ko Pha Ngan. 14 of them run certification courses.
PADI is the most common agency (12 centres), followed by SSI (11).
Published try-dive prices we hold range from $115 to $164 USD. Treat these as a guide and confirm with the centre before booking.
4 operators in Sail Rock offer accommodation alongside diving.
12 of the 30 operators we track run snorkelling tours.
Operators are sorted by Fin Rank, a 100-point profile strength score: contact details, what they offer, the dive sites they run, their Google reputation, whether the owner has claimed the listing, and whether their own website links to Fin. 0 listings here are owner-verified. The formula is published in full on the Fin Rank page.
Discovery Divers is a PADI 5-star dive center based at the Amari Koh Samui Resort. The operator provides daily boat trips to dive sites in the Gulf of Thailand and offers a range of PADI certification courses.
Silent Divers is a dive center located on Chaweng Beach, Ko Samui, Thailand, offering PADI courses and dive trips. They cater to all levels of divers and also provide snorkeling tours. The center is situated in a popular tourist area, making it accessible for visitors.
The Dive Academy is a PADI 5-Star Dive Centre that provides daily diving and snorkeling trips from Koh Samui. They offer a range of PADI courses from beginner to professional levels and organize private charters for divers and non-divers.
The Dive Inn is an SSI dive center based on Koh Phangan that has been operating since 2002. They offer fun dives, snorkeling trips, and a range of SSI training courses for beginners and professionals. The operator conducts daily trips to Sail Rock and other dive sites around the island.
Lotus Diving is a dive center based in Koh Phangan that has provided instruction and diving trips for 25 years. They offer a range of scuba courses from beginner to professional levels and organize boat trips to local dive sites including Sail Rock.
Member Diving - Snorkeling & Scuba Diving Center is located in Bo Put, Ko Samui, Thailand. They offer a variety of diving and snorkeling services, including courses and guided trips. The center is situated in a busy area of Ko Samui, catering to both local and tourist divers.
Chaloklum Diving is a PADI 5 Star dive centre located on Koh Phangan. They offer PADI training courses from novice to professional levels and organize boat diving trips to sites including Sail Rock. The school emphasizes small group sizes and personal instruction.
Blue Horizon Diving is a dive center located in Koh Pha-ngan, Thailand. It is operational and has a high rating with a significant number of reviews. The center is accessible and offers various payment options.
Sail Rock Divers is a dive center located in Koh Phangan, Thailand. They have a high rating from numerous reviews and appear to be operational.
Lotus Diving is a dive center located in Koh Phangan, Thailand, with a high rating and numerous positive reviews. They appear to be operational and offer various services.
| 2 | Silent Divers | 4.7(108) | 5.0 | none | PADI | Visit |
| 3 | The Dive Academy Samui | 4.9(552) | none | $164 | PADI | Visit |
| 4 | The Dive Inn | 4.9(222) | none | $115 | SSI | Visit |
| 5 | Lotus Dive Resort | 4.8(119) | none | none | SSI | Visit |
| 6 | Member Diving | 4.7(108) | 5.0 | none | PADI | Visit |
| 7 | All Scuba | 5.0(334) | none | none | PADI | Visit |
| 8 | Blue Horizon Diving | 4.8(385) | none | none | PADI · SSI | none |
