Dongzhai Harbour National Nature Reserve

Covering an area of 3337 hectares and located in Haikou Meilan District's Dongzhaigang State-level Nature Protection Area, is China's first protected mangrove forest nature area. In 1992 it was included on the list produced by the "International Important Wetlands Convention". This is China's largest mangrove forest ecological community and has the largest abundance of domestic varities with 17 families and 34 species of mangrove trees.