Introduction to Sanduao: Sanduao, also known as Sansha Bay, is located in the southeast of Ningde City, Fujian Province, and is the midpoint of China's 18,400 kilometers of golden coastline. Sandu'ao mainly includes Baima Harbor, Guanjing Yang, Dongwu Yang, Fuding Yang, Basmen Harbor, Yantian Harbor and other waters. There are a total of 126 large and small islands in the sea area. The main islands for tourism development are Doumao Island, Sandu Island, Qingshan Island, Jigong Mountain, Shamao Island, Yuanyu Island, etc.