Hello! I hope it helps you! It takes two days to go back and forth to Sanya, but the actual time in Sanya is seven days. The route arrangement is as follows: Day 1: Sanya Bay-Dadongdong-Nansan-Orchid World-Sanya Bay Day 2: Sanya Bay-Tianya Haijiao-Xidao-Sanya Bay Day 3: Sanya Bay-Ye Meng Promenade-Dadonghai-Luhuitou-Sanya Bay Day 4: Sanya Bay-Yalong Bay-Wuzhizhou-Sanya Bay (Yalong Bay has Butterfly Valley and It&;s no problem to walk 2 or 3 scenic spots a day. It&;s reasonable according to personal preference and time.