Yalong Bay (Chinese: 亚龙湾) is a 7.5 kilometres (4.7 mi) beach located in southeast Sanya, Hainan, China.

The eastern part of the bay is occupied by PLA Navy as the East Section of Yulin Naval Base.

[1] Many internationally operated hotels have opened in Yalong Bay, including the St Regis Yalong Bay Resort, Sheraton Sanya Resort, Marriott Hotel, Ritz-Carlton Sanya Resort, Pullman Yalong Bay, Grand Hyatt and MGM Grand Resorts.

Passengers should pay the bus fare when boarding.

In addition the Number 25 and 16 buses run regularly between Nanshan Temple and Yalong Bay, their routes passing through downtown Sanya and Dadonghai.