Jeju Island in South Korea and Hainan Island in China, everyone thinks Hainan Island in China is still fun. The area of Jeju Island is relatively small, and the scenery is very good. In contrast, Hainan Island is much more interesting. You can choose to drive around Hainan Island. Hainan Island has a total length of 35400 square kilometers. It has many scenic spots, many of which are unique.