Introduction to Dawanggang Island: is China's largest golden sand island formed by the impact of ocean tides. The island's coastline is about 26,494 meters long, and its land altitude is 3.5 meters. The coast is of high-quality natural fine sand geology, and the coast extends The slope entering the sea is gentle, the water depth is less than 1.5 meters, the width is about 500 meters, and the seawater visibility is about 3 meters. It is an excellent natural beach.