We track 20 dive operators in Sihanoukville. 2 teach certification courses (2 PADI). 11 run snorkelling trips. 1 offer accommodation alongside diving. The biggest cluster is around Sihanoukville, with 10. Listings are ordered by Fin Rank: a published score for how complete and verified each listing is.
The 8 highest-ranked of 20. How Fin Rank works
| Rank | Operator | TripAdvisor | Discovery dive | Agencies | Website | |
|---|---|---|---|---|---|---|
| 1 | 4.7(189) | none | none | none | Visit |
Which centres run each site, named on their own websites or confirmed by the owner.
Fin lists 20 dive operators in Sihanoukville, with the biggest cluster around Sihanoukville. 2 of them run certification courses.
PADI is the most common agency (2 centres).
1 operator in Sihanoukville offers accommodation alongside diving.
11 of the 20 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.

The Dive Shop is a dive center located in Sihanoukville, Cambodia. It is rated 4.7 stars based on 171 reviews.
Koh Rong Dive Center is located in Koh Tui Village on Koh Rong Island, Cambodia. It has a high Google rating of 4.8 stars and is open daily from 8 AM to 8 PM.
Bubbles Up Dive Center is a dive center located in M'pai Bay, Cambodia, with a perfect 5-star rating on Google. They are open seven days a week and offer delivery services.
Khmer Dive Group - Koh Rong is a dive center located on Longset Beach, Preah Sihanouk, Cambodia. It has a 4.7-star Google rating and is open seven days a week.
Scuba Nation Diving Centre Cambodia is a highly-rated dive center in M'Pay Bay, Cambodia, with a 4.9-star Google rating. They are open daily and accept various payment methods including credit cards and NFC.
Watersports Cambodia Dive Centre is located on Longset beach in Preah Sihanouk, Cambodia. It has a perfect 5-star Google rating and is open 24 hours a day, seven days a week.
The Dive Shop Cambodia is a PADI 5 Star IDC and TecRec dive center established in 2007. They offer a range of PADI courses and daily diving trips around Koh Rong Sanloem, as well as liveaboard expeditions to outer islands. The operator maintains dive bases at both Saracen Bay and Sunset Beach to provide year-round access to dive sites.
Cambodia Diving Academy is a dive center located in Preah Sihanouk, Cambodia, with a 4.8-star Google rating. They are open seven days a week and offer free parking.
Khmer Dive Group - Head Office is a tour agency located in Phnom Penh, Cambodia. It has a perfect 5-star Google rating from 4 reviews and is open seven days a week.
Koh Rong Dive Center is a 5 Star PADI Dive Center located in Koh Touch Village on Koh Rong Island. The center offers a range of PADI courses from Open Water Diver to Dive Master and provides services for both certified and non-certified divers.
| 2 | Koh Rong Dive Center | 4.8(308) | 2.6 | none | none | Visit |
| 3 | Bubbles Up Dive Center | 5.0(267) | 5.0 | none | none | Visit |
| 4 | Khmer Dive Group | 4.7(110) | none | none | none | Visit |
| 5 | Scuba Nation Diving Centre | 4.9(428) | none | none | none | Visit |
| 6 | Watersports Cambodia | 5.0(229) | none | none | none | Visit |
| 7 | Dive Shop Cambodia | none | none | $95 | PADI | Visit |
| 8 | Cambodia Diving Academy | 4.8(37) | 5.0 | none | none | Visit |
