Dadeng Island, the Dadeng Street in Xiang'an District of Xiamen City, is situated on the north side of Jinmen Island. Dadeng Island has a somewhat pure sea area on the southeast coast. The water cleanliness and air quality meet the environmental first-class standards. It is known as the "natural oxygen bar" and is the Egret Nature Reserve. Dadeng Island has a simple and elegant atmosphere. There are small-scale commodity trading markets and heroic Mishima Battlefield Tourist Park. There are also sights such as "Battlefield Tunnel" and "Airborne Floating and Sea Drafting Historical Exhibition Hall".