Tanmen Fishing Port is located on the eastern coast of Qionghai City, Hainan Province, 20 kilometers away from Jiaji City. The first-level fishing port and Qionghai Tanmen Center fishing port are one of the closest ports in Hainan to the Nansha Islands, and also the logistics feeding base of the fishing grounds of the Western, South, Central and Dongsha Islands and the far-reaching distribution and sales base of marine fish.