Five stars. Sanya Locke Platinum Seaview Hotel is located in Haitang Bay, Sanya, Hainan, covering an area of 9,000 square meters and consisting of several buildings. It has 305 luxurious rooms and suites, each equipped with modern facilities and conveniences, including swimming pool, children's playground, gym and spa, so Sanya Rock Platinum Seaview Hotel is a five-star hotel.