Sun and Moon Bay (), also known as Riyue Bay, is located approximately south of Wanning, Hainan, China. It is around long, and has been the site of numerous surfing events. The ''Sun and Moon Bay Haimen Tourism Area'' is located here. The Shenzhou railway station is situated approximately northeast from this bay.

References

Bays of Hainan Beaches of China {{Hainan-geo-stub