Britannica
Sources used in this answer
How long is Hainanās coastline?
Created from Britannica articles
using AI.
AI can make mistakes, so verify using Britannica articles.
Hainan
Beach on Wuzhizhou Island, far southern Hainan province, China.
Hainan's coastline measures more than 930 miles (1,500 km) in length and features numerous bays and natural harbours.1