Rakhine Coastal Region has a rich diversity of marine life with fisheries. However, there is no publication of basic information of marine bivalves and gastropods such as identification and ecological habitats in Thae Chaung intertidal water, northen Rakhine Coastal Region. The current research on marine mollusks was conducted and emphasize on small geographical area of Thae Chaung intertidal area in December 2019. A total of 11 species belonging to 5 orders, 8 families and 11 genera of gastropods and 6 species belonging to 4 orders, 4 families and 5 genera of bivalves reported from study area were reported. This research paper describes the identification of some economic importance of marine mollusks from Thae Chaung intertidal water in northern Rakhine Coastal Region.