One way, take CMB from Xiachuan Island Pier to the scenic spot.
10 yuan/person
One way, scenic spot ticket
60 yuan/person. You can buy the package above. The package ticket is (round-trip ferry ticket+round-trip pier ticket+scenic spot ticket), and the group purchase is the cheapest, about 150. Then there is accommodation+eating+playing, which depends on the individual. Last time I lived in Xinghai Bay, I ate about 400 yuan, and then there were dozens of snacks.