This article presents the basic content of the prehistoric marine cultures in Vietnam in the Middle Neolithic including Cai Beo culture, Trang An relic complex, Da But culture, and Quynh Van culture as well as Late Neolithic marine cultures including Ha Long, Hoa Loc, Bau Tro, and Xom Con. This study clarifies human adaptation to changes in the ecological environment in each region, the cultural achievements of inhabitant groups in these localities, and the position of communities in the coastal plains during the formulation and development of Vietnam’s prehistoric marine culture...