Beihai Golden Bay Mangrove Ecological Tourism Area is a scenic spot of China's extremely rich coastal wetland style and folk culture. It belongs to the eastern area of Beihai Yintan National Tourism Resort. Because there is a large sand dune facing the sea and shaped like a crown, the local commonly known as "big crown sand". The scenic area is about 20 square kilometers, consisting of three parts: the gate scenic area, the mangrove ecological sightseeing area and the Yuanjia folk customs park. The mangrove ecological tourism area of Beihai Golden Bay is located at the southeast end of Beihai City, about 15 kilometers from the city center (Beibuwan Square). The scenic area is 6,000 mu, and the coastline is about 4.5 kilometers long. It is a subtropical coastal ecological wetland tourist area. The scenic spot was awarded the national AAAA-level tourist attraction in December 2015.