We track 11 dive operators in Koh Ngam. 2 teach certification courses (2 PADI). 1 run snorkelling trips. Listings are ordered by Fin Rank: a published score for how complete and verified each listing is.
Sensui Dive Center offers PADI dive courses and guided diving excursions in Chumphon and Koh Tao. The center provides training for all levels, from beginner programs to professional certifications, while emphasizing safety and personal attention.
Freediving Koh Samui provides freediving instruction and guided trips in the Gulf of Thailand. The operator offers courses and charters with a maximum of three students per instructor. Training sessions take place at Sail Rock and Koh Tao.
Freediving Koh Samui is a freediving school based in Koh Samui that offers Apnea Total certified courses, fun dives, and spearfishing trips. The operator conducts training at Sail Rock and Koh Tao with a maximum of three students per instructor.
Easy Divers is a PADI Five Star IDC Center that offers a range of scuba diving courses and guided dive tours. They provide training from beginner levels up to professional instructor development and organize boat trips to various dive sites.
Chumphon Diving Center is a sporting goods store located in Chumphon, Thailand, near Saphli. They are open daily from 8:00 AM to 5:00 PM. The center has a Google rating of 4.8 stars based on 21 reviews.
The 8 highest-ranked of 11. How Fin Rank works
| Rank | Operator | TripAdvisor | Try dive | Agencies | Website | |
|---|---|---|---|---|---|---|
| 1 | Sensui Dive Center | 5.0(63) | none | $112 | PADI | Visit |
Which centres run each site, named on their own websites or confirmed by the owner.

Fin lists 11 dive operators in Koh Ngam. 2 of them run certification courses.
PADI is the most common agency (2 centres).
Published try-dive prices we hold range from $112 to $210 USD. Treat these as a guide and confirm with the centre before booking.
1 of the 11 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.
| 2 | Freediving Koh Samui | none | none | $210 | none | Visit |
| 3 | Mo Koh Chumporn National Park | none | none | $210 | none | Visit |
| 4 | Easy Divers-koh Tao Island | none | none | $165 | PADI | Visit |
| 5 | Chumphon Diving Center | 4.8(21) | none | none | none | none |
| 6 | Aow Kram Homestay | none | none | none | none | none |
| 7 | Chumporn Cabana Resort And Diving Center | none | none | none | none | none |
| 8 | Dan Homestay | none | none | none | none | none |
