Southeastern Myanmar is a region of Myanmar.
It is important to dress moderate, especially in temples. Cover your shoulders and knees, as the locals do. Be patient, polite and show respect. You will be rewarded with lots of nice experiences, because the locals will react more open and more relaxed towards you and let you take part in their daily lifes.
Mergui Archipelago, on the West coast of Myanmar is made out of 800 beautiful islands still undiscovered by the mass of tourists. Only a few are inhabited by small fishermen villages. The only way to discover this "Mergui Archipelago" is to jump on a boat for a cruise.
There are boats specialized in Diving, other are for snorkeling and other do fishing trips in the areas.
Most of the boats leave from Thailand and the closest port of embarkation is in Ranong only 20 minutes away from the Burmese border town: Kawthoung