The difference between Shangchuan and Xiachuan is not very big. Shangchuan is more commercialized, while Xiachuan is more original. You can live by the sea directly, and it takes a little more than five days. There is an island. In the past, you had to take a boat, but you have to take a bus when you arrive. When you get there, there are some water activities. The locals are very friendly. You can choose to walk around.