Yudai Beach is located in the east of Boao Aquapolis across the scenic spot. You can go to Yudai Beach by sightseeing yacht. The Yudai Beach is 8km long. The South China Sea is in the east with turbulent surges, blowing sprays and blue water and white beach; the inner sea is lying in the west which is peaceful and tree shadows casting in the surface. Yudai Beach was recorded in Guinness World Records as the narrowest and longest beach to separate a river from sea.