profile of Myeik(Mergui)
Black Rock is a rocky island approximately 100 meters long. The bare rocky outcrop of Black Rock may not be so spectacular above the surface. The steep cliffs of Black Rock continue as dramatic walls below the water. You will see a large variety of nadibranchs, crabs, shrimps, spindle cowries, filament wrasse, maray eels, and an bundance of large pelagies including Whitetips, Blacktips, Silvertips, Gray Reef Sharks, Bull Sharks, Eagle Rays and Manta Rays. Keep an eye out too for stocky bull sharks emerging out of gloom an impressive sight indeed.
Western Rocky is one of Mergui's best spots for sharks encounters. It located 80 kilometers off shore, Western Rocky offers a sloping reef, great wall diving and several surrounding pinnacles, Western Rocky's unique features are a large tunnel that runs right through the middle of the island and a large submerged arch carved out of the Limestone. From the middle of the cave one can just see daylight coming from either end. Looking with you torch at the walls of the cave, Lined with spiny Lobsters. Outside the cave one can see a plethora of marine life, often including octopus and variety of rays.
There is a Larger underwater plateau Located close to the North Twin Island. One of deeper side of this dive site, there are big boulder dropping down to 40 m where you usually find a large population of black spotted stingrays sleeping on the sand bottom. The shallowest point of this pinnacle is around 12 m and continues down to over 60 meters. At around 25 meters you can find larger Indian nurse sharks sleeping in the overhangs.
There are one small and two large rocks in three islands. Each could be considered a separate site. All three are perfectly suited for multilevel profiles, which thriving marine life from the bottom to the surface. Underwater, the combination of unusual topography and tremendous variety of creatures makes this one of the best dive sites in the Mergui Archipelago. Long snout pipe fishes, tiger tail seahorses, cuttlefish, squid octopi, banded sea kraits, orangutan spider crabs, nudibranchs different moray eels, several species of shrimps and many other creatures are commonly found here. Another outstanding feature is a large canyon on the north end of the middle islet. Past the canyon on the right you will find an opening to a tunnel that runs completely through the island and exits on the east side at about 15 m.