West of Bangkok in the Bay of Bengal, the snorkeling in the Andaman Islands is popular for shallow reefs, stingrays and very rare, multicolored coral species.
The Andaman Islands are a union territory of India, with Port Blair as its capital city, that is situated in the Indian Ocean. The Andaman Islands consist of 568 islands, with about 38 islands actually populated.
To reach the Andaman Islands, fly from Chennai in southern India to Port Blair on South Andaman Island. You'll most likely need to stay overnight before catching a ferry to any of the other islands. Travel within the Andaman Islands requires an entrance permit that must be on hand through your journey. The Government operated ferries are usually booked in advance, so make sure to plan ahead.
In the Andaman Islands, there are several excellent snorkeling dive destinations including the Mahatma Gandhi Marine National Park, the Wandoor National Park-Jolly buoy, the Red Skin Islands, the Corbyn's Cove Tourism Complex, and Havelock Island.
Note: the Nicobar Islands are closed to tourists.
Overall, Ritchies Archipelago is the 1st most popular snorkel dive spot of all 2 snorkeling dives in Andaman Islands.