Donghai Island (; ) (Tunghai) is an island in the southeast part of the urban area of Zhanjiang, Guangdong, People's Republic of China. It has a coastline of , with a total area of , making it the largest island in Guangdong and the fifth-largest island in China. In 2008, it had a population of around 160,000.
See also
Naozhou Island List of islands of the People's Republic of China Chinese semi-submersible ship Donghaidao
References