We track 200 dive operators in Thailand. 132 teach certification courses (120 PADI, 39 SSI). 114 run snorkelling trips. 27 offer accommodation alongside diving. The biggest cluster is around Koh Tao, with 27. Listings are ordered by Fin Rank: a published score for how complete and verified each listing is.
The 8 highest-ranked of 200. How Fin Rank works
| Rank | Operator | TripAdvisor | Discovery dive | Agencies | Website | |
|---|---|---|---|---|---|---|
| 1 |  Patong Dive Center | 4.9(140) | – | – | SSI · PADI | Visit |
Which centres run each site, named on their own websites or confirmed by the owner.
Fin lists 200 dive operators in Thailand, with the biggest cluster around Koh Tao. 132 of them run certification courses.
PADI is the most common agency (120 centres), followed by SSI (39). SDI/TDI, CMAS, IANTD, RAID, BSAC also appear.
Published discovery dive prices we hold range from $53 to $210 USD. Treat these as a guide and confirm with the centre before booking.
27 operators in Thailand offer accommodation alongside diving.
114 of the 200 operators we track run snorkelling tours.
Operators are sorted by Fin Rank, a 100-point profile strength score: contact details, what they offer, where they dive, 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.
Patong Dive Center, located in Patong, Thailand, is an SSI-certified dive center offering daily scuba trips, beginner and advanced courses, and liveaboard safaris. They emphasize small-group instruction for a personalized experience and have a dedicated dive pool for training.
Forra Dive Center was established on Koh Lipe in 1997 and operates three dive boats for daily trips and liveaboards in the South Andaman Sea. The operator provides scuba diving courses, fun dives, and freediving training for various skill levels. They also manage resort accommodations on Sunrise Beach and Pattaya Beach.
Infinity Divers Phuket is a dive center that provides PADI certification courses and organizes diving day trips. They partner with service providers to offer boat trips and liveaboard adventures in the Andaman Sea.
No Limit Divers is a PADI 5-Star Instructor Development Center based in Pattaya that offers a range of recreational and professional scuba training. The operator provides guided boat trips to various dive sites, including shipwrecks and coral reefs, and offers equipment rental and air fills.
Wetzone Divers is a PADI dive center located in Khao Lak, Thailand, operating from October to May. They offer day trips to renowned dive sites like Richelieu Rock, Koh Bon, and the Similan Islands, using their own speedboat, the "Blue Marlin." The center also provides PADI courses and equipment rental.
Black Turtle Dive is a scuba diving center located on Koh Tao, Thailand. The operator offers a range of PADI diving courses, professional level training, and marine conservation programs.
New Heaven Dive School is a long-standing dive operator in Koh Tao that provides scuba diving and freediving courses alongside marine conservation programs. The school emphasizes small group sizes and offers on-site accommodation and restaurant facilities for its guests.
Pattaya Scuba Adventures is a family-run 5-star PADI dive center established in 2014. The operator offers guided dive trips for certified divers, PADI dive courses, and snorkeling excursions to local islands and shipwrecks.
Big Blue Diving is a long-standing dive school located on Sairee Beach in Koh Tao. The operator provides a wide range of recreational, technical, and professional scuba training alongside daily boat trips to local dive sites.
Kon-Tiki Krabi is a 5-star PADI center based in Ao Nang that offers diving and snorkeling trips to locations including the Phi Phi Islands, Shark Point, and the King Cruiser wreck. The operator provides a range of programs from entry-level discovery experiences to professional instructor courses and technical education.
| 2 | Forra Dive Center | 4.8(631) | – | $70 | CMAS · PADI · SDI/TDI | Visit |
| 3 | Infinity Divers Phuket | 5.0(153) | – | $123 | PADI | Visit |
| 4 | No Limit Divers | 4.8(141) | 4.8(126) | $109 | PADI | Visit |
| 5 | Wetzone Divers | 4.9(503) | – | – | PADI | Visit |
| 6 | Black Turtle Dive | 5.0(3,256) | 5.0(138) | – | PADI | Visit |
| 7 | New Heaven Dive School | 4.7(359) | 4.6(320) | – | RAID · SSI | Visit |
| 8 | Pattaya Scuba Adventures | 5.0(124) | 5.0(54) | – | PADI | Visit |
