Highlights: Dachangshan Island is located in the middle of the Changshan Islands and is the seat of the Changhai County Government. Dachangshan Island is named after the island is long and mountainous. The coast on the island is twisty, the bays are connected, and there are many natural and cultural landscapes. There is a sea garden on Dachangshan Island. The architecture combines European and Northeast Asian styles. It is a charming sea town. The Dachangshan Island tourist attraction consists of 28 islands including Dachangshan Island, Haxian Island and Serry Island. Looking at Dachangshan Island from a distance, it looks like a crouching dragon lying on a wave, the dragon head is slightly raised, and the undulating dragon body in the middle is the wriggling dragon body; Jinchantuo in Jinchangang and Yuanyangtuo in Yuanyanggang are also vivid. At the southern end of Dachangshan Island is the Qixiang Garden, where the goddess of protection, the goddess of the sea, is enshrined in the hearts of fishermen. The goddess of the sea held high the lotus lantern and gazed at the sea a hundred miles ahead with kind eyes, to protect the harmony of all boats and the safety of all people. Every year on the thirteenth day of the first lunar month, it is the birthday of the goddess of the sea, men, women and children. Thousands of sea lanterns are put into the sea, drifting with the current and flickering. The Sanyuan Palace is a newly built building on the island. Standing at the gate of the Sanyuan Palace, it faces the vast sea and the lush green mountains. The scenery is quite good. There is Yinniuwan tourist area in the east of Dachangshan Island Scenic Spot, Beihai Bathing Beach in the central and northern parts, Huanhai Park, Sanyuan Palace, Shuangfeng Chaoyang Tower in the middle, and "Sea People's Family" Resort, Yuanyangwan Resort and Shoudao Jiandao in the west. Memorial Park. There are many fishing entertainment on Dachangshan Island and Haxian Island.