On the island, take the bus, buy food in your own food market, live in a hotel, and go to the sea collectively. It does not contain large transportation costs. The per capita 600 yuan can be very comfortable. Extremely, you can live in tents, barbecues, and evasion tickets, so that 300 pieces in two days can be almost the same. Specific cost details: Shanghai departure as an example Shanghai departure: car and boat coupons back and forth in the early 200s Shangdao traffic: 10 yuan -200 yuan accommodation: tents, 100 yuan hotel, a few hundred dollars Hotel attractions: 100 yuan beach: 0 yuan -20 yuan dinner: 50 yuan / person - 100 yuan / person sea fishing: 80 yuan -40 yuan