Figure 1: Location of Van Phong and Nha Trang Bays. Numeric mark number of the littoral section and transects: 1 –Den Island, 2 – cape Co - co, 3 –Ong Island, 4-southwest part of peninsula Gom, 5 – cape Thi, 6 –Mju Island, 7 –Mun Island, 8 – southwest part Lom Island.