Take a boat from Guangdong across the Qiongzhou Strait and you reach Hainan Island.
Tips
usage
海南岛 is the island itself. The province, 海南省 or just 海南, also takes in many smaller islands in the South China Sea.
culture
After Taiwan Island (台湾岛) it is China's second-largest island. Its one-character short name is 琼, seen on its car number plates, and 三亚 on its south coast draws beach holidaymakers from all over China.
