Myanmar’s Mergui Archipelago, located in the southern Andaman Sea, is one of Asia’s most pristine and unexplored diving destinations. With over 800 mostly uninhabited islands, crystal-clear waters, and diverse coral reefs, this area offers a sense of adventure and isolation rarely found in popular dive spots. The archipelago is home to dramatic underwater landscapes, including walls, pinnacles, swim-throughs, and hidden caves, teeming with marine life.
Diving in Myanmar ranges from calm reef explorations to thrilling drift dives along steep walls. The coral reefs are vibrant and healthy, hosting schools of snappers, fusiliers, and butterflyfish, while larger species such as reef sharks, manta rays, and sea turtles patrol the waters. Macro enthusiasts will enjoy the smaller inhabitants, including seahorses, nudibranchs, and colorful reef critters. Currents vary depending on location, making some sites ideal for intermediate and advanced divers.
The best time to dive in the Mergui Archipelago is October to May, with calm seas and excellent visibility. Water temperatures range from 27–30°C (80–86°F), creating comfortable diving conditions. December to April is particularly favorable for encountering large pelagics, while October–November offers quieter conditions with fewer liveaboards and excellent reef diving.
Above water, the Mergui Archipelago’s lush jungles and secluded beaches offer a peaceful contrast to life below the surface. Most divers access the area via liveaboards departing from the nearby Thai gateways like Ranong and Phuket, combining adventure with cultural exploration en route.
Liveaboard Diving Regions :
Central & Southern Mergui Archipelago
This route covers many of the archipelago’s classic dive sites, featuring walls, pinnacles, and caves. Divers can encounter reef sharks, manta rays, sea turtles, and schools of tropical fish. Currents provide exciting drift dives, and macro life is abundant along coral slopes and reef crevices.
Black Rock & Western Pinnacles
Known for its steep drop-offs and exposed pinnacles, this area is ideal for experienced divers seeking larger marine life and dynamic currents. Dive along walls covered in soft corals, with opportunities to see reef sharks, eagle rays, and large pelagic fish.
Burma Banks & Remote Pelagic Grounds
Farther from inhabited islands, these sites offer untouched reefs and deeper walls. Perfect for adventurous divers, these areas provide excellent chances to see manta rays, whale sharks, and schooling pelagics. Currents can be strong, making these dives suitable for advanced divers only.
