St. Martin Island- The only Coral Island of Bangladesh is located in the Bay of Bengal surrounded by huge black stone. The natural surrounding of the remote island is considered as the paradise for the nature loving tourist who can enjoy the virgin coral beach and pass leisure time or go for snorkeling in the blue water. The brilliant sunrise and colorful sun set has no match any where in the world. To enjoy the moonlit might sitting on any black stone along side the beach will be life time experience for any tourist.