Myanmar's diving is concentrated entirely within the Mergui Archipelago, a sprawling remote island chain accessible only by liveaboard or private charter. The site mix leans heavily toward advanced terrain: pinnacles, walls, caverns, and drift dives dominate the roster, with boats the entry point for virtually every site. Conditions reward experience, with strong currents at offshore structures such as Silver Tip Bank, Fan Forest Pinnacle, and Black Rock. A handful of shallower reef sites like Coral Bank and East Corner give newer divers a foothold. Marine life is the real draw: Whale Shark, Spotted Eagle Ray, Grey Reef Shark, and Blacktip Reef Shark are all observation-backed, alongside the ever-present Green Sea Turtle and Emperor Angelfish. The season runs from November through April, when conditions are most settled.
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Monthly water temperature across Myanmar's sites, from satellite sea-surface data corrected for depth. The band shows the site-to-site spread.
Water stays warm throughout the year, rising toward its peak between May and July, though this period coincides with the least-favoured diving months due to monsoon conditions. The prime season runs from November through April, when visibility improves markedly and offshore sites become reliably accessible. Outside these months, swell and reduced visibility make the more exposed pinnacle and drift sites difficult to plan around.
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Water temperature around Myanmar ranges from about 27°C in January to 30°C in May, based on satellite sea-temperature data for its dive sites.
With water around 27–30°C, a rash guard or 3mm shorty works in Myanmar year-round.
Fin maps 26 sites in Myanmar (25 scuba diving sites and 1 snorkelling spots, with some suited to both).
Myanmar's Mergui Archipelago has observation-backed records for Whale Shark, Spotted Eagle Ray, Grey Reef Shark, and Blacktip Reef Shark. Green Sea Turtle and Emperor Angelfish are considered very common across sites. Patient divers may also find Frogfish and Ghost Pipefish tucked into the reef structure.
Most sites in Myanmar are rated intermediate or advanced, with strong currents and deep profiles at offshore pinnacles such as Black Rock and Fan Forest Pinnacle. That said, shallower beginner-rated reef sites including Coral Bank, East Corner, and Madame Beach offer more sheltered conditions. Beginners should expect the majority of itineraries to focus on more demanding terrain.
Almost all sites in Myanmar require boat access, and the remoteness of the Mergui Archipelago means liveaboard is the standard format. Operators including Andaman Scuba Diving Centre, The Smiling Seahorse, and Deep Andaman Queen run trips into the archipelago. Madame Beach is the only site in the data with shore-entry listed.
All sites sit within the Mergui Archipelago, but the character shifts considerably between locations. Offshore pinnacles like Fan Forest Pinnacle and Black Rock are current-driven and deep, demanding solid buoyancy control. Sites such as The Arch add cavern passages to the mix, while Three Islets combines reef, wall, cave, and pinnacle in a single dive. Shallower reef sites provide calmer alternatives when conditions or group skill levels call for it.
