Doubletree by Hilton Hotel has a total land area of 104946.7㎡, a total construction area of 54950.5. 3㎡, a greening rate of 70%, a building density of 33.7%, a plot ratio of 0.26, and 92 parking spaces/kloc-0 (93 hotels and 99 villas), so as to build a top luxury spa health club in Hainan International Tourism Island. Doubletree by Hilton is divided into two phases. In the first stage, Doubletree by Hilton and top property villas will be launched. The first phase is expected to start receiving tourists at the end of the year. The hotel has official villas, top-class single-family villas and luxury rooms, SPA hot spring club, coffee bar, conference center, Chinese and western restaurants, executive lounge, gym, indoor swimming pool, hot springs and so on. The main building area is divided into two floors underground and two floors above ground, including 69 independent villa rooms and 65438 luxury rooms, with a total of 238 rooms. 1 Official villa, single-family villa rooms range from one suite to eight suites, with an area of 70㎡ to 583㎡, and hotel rooms have a minimum area of 30㎡ and a maximum area of 99㎡.