Sanya Hongtangwan International Airport

Sanya Hongtangwan International Airport is an airport being built to serve the city of Sanya in Hainan Province, China. It will be located on an artificial island in Hongtang Bay, about 20 kilometres (12 mi) west of Sanya. Construction began in 2017, and the airport is expected to be opened in 2020.

It will be China’s first sea airport. 29.95 Km2 sea airport used, 23.99 km2 land area, 4 runways, 3 terminal building and corresponding supporting auxiliary area. Reclamation is projected to be completed in 2018.