We track 16 dive operators in Mergui Archipelago. 4 teach certification courses (4 PADI, 3 SSI). 5 run snorkelling trips. 1 offer accommodation alongside diving. Listings are ordered by Fin Rank: a published score for how complete and verified each listing is.
The 8 highest-ranked of 16. How Fin Rank works
| Rank | Operator | TripAdvisor | Try dive | Agencies | Website | |
|---|---|---|---|---|---|---|
| 1 | The Smiling Seahorse | 4.8(92) | none | none | PADI · SSI · CMAS | Visit |
Which centres run each site, named on their own websites or confirmed by the owner.

Fin lists 16 dive operators in Mergui Archipelago. 4 of them run certification courses.
PADI is the most common agency (4 centres), followed by SSI (3). CMAS also appear.
1 operator in Mergui Archipelago offers accommodation alongside diving.
5 of the 16 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 Smiling Seahorse is a liveaboard dive boat that operates trips in Thailand and Myanmar, focusing on the Mergui Archipelago. Built in 2018, the 25m vessel can accommodate up to 16 guests in 8 cabins, most with en-suite bathrooms. It is known for its personalized service, dedicated camera room, and commitment to environmental responsibility.

Andaman Scuba Diving Centre is a dive center based in Khao Lak, Thailand, offering liveaboard trips to the Similan and Surin islands, as well as diving in Myanmar. They have been operating since 1997 and are known for their experienced instructors and sustainable diving practices.
The Deep Andaman Queen is a liveaboard dive boat that offers dive safaris in the Andaman Sea and Myanmar. It has been operating since 2003 and underwent a major rebuild in 2019. The boat can accommodate up to 25 guests in 11 air-conditioned cabins with en-suite bathrooms.
Life Seeing Tours is a tour company based in Southern Myanmar that focuses on the Mergui Archipelago. They offer snorkeling explorations, sailing cruises, and liveaboard diving trips. The company also provides customized travel solutions including hotel bookings and boat charters.
Aladdin Dive Safari operates liveaboard dive tours, day trips, and dive courses in the Andaman Sea. The company offers trips departing from Ranong, Koh Phayam, and Koh Chang in Thailand, with destinations including the Mergui Archipelago in Myanmar. Guests can stay on the boutique liveaboard MY Merit, which accommodates up to 14 guests.
Victoria Cliff Hotel and Resort operates a private island resort on Nyaung Oo Phee Island in the Andaman Sea. The resort offers guests opportunities to explore coral reefs through snorkeling and diving activities. It also provides accommodation and additional recreational options such as kayaking and hiking.
| 2 | 4.9(129) | none | none | PADI · SSI · CMAS | Visit |
| 3 | Deep Andaman Queen | 5.0(188) | none | none | PADI · SSI | Visit |
| 4 | Life Seeing Tours | none | none | none | none | Visit |
| 5 | Aladdin Dive Safari | none | none | none | PADI | Visit |
| 6 | Victoria Cliff Hotel & Resort | none | none | none | none | Visit |
| 7 | Similan Diving Safaris | none | none | none | none | Visit |
| 8 | iQ-DIVE Co. | none | none | none | none | Visit |