Located in Haitang Bay north of Sanya, Wuzhizhou Island is the 'No. 1 bay under the sun.' It is one of the rare islands that has freshwater in Hainan. It has more than 2,000 types of plants, including the precious dracaena. Wuzhizhou Island boasts pleasant temperature year-round, clean water and various kinds of tropical fish and seafood, such as sea cucumber, lobster, mackerel and sea urchin,. The sea visibility down to 27 meters makes it the best place for diving in China.[Photo/China.org]