Is there a place called Wanghai Tower in Haikou?

Yes

Hainan Wanghai International Hotel was built and opened in 1984. At that time, it was named Wanghailou Hotel. It is located in Haixiu East Road, the most prosperous business district in the center of Haikou. It is one of the earliest iconic hotels in Hainan and one of the earliest foreign-related tourist hotels. After more than 20 years of ups and downs, the hotel has witnessed the glorious history of Hainan's establishment of a special zone in the past 20 years. With the rapid development of Hainan's social economy and tourism, the hotel has developed from an ordinary guest house before the establishment of the province to the current one. Four star hotel. For more than 20 years, the hotel has gone through the initial state-owned system. In 1987, it was changed to a Sino-foreign cooperative operation system. In 1990, it returned to the state-owned system. In 1998, the hotel was restructured into a private joint-stock enterprise. It was originally affiliated to Hainan Provincial Commercial Group Company. A state-owned enterprise, it was restructured into a private enterprise affiliated to First Investment Co., Ltd. In the fierce competition of the market economy and in the historical tide of reform and opening up in the Hainan Special Economic Zone, Hainan Wanghai International Hotel has always been at the forefront of the times. It has enjoyed both the unlimited glory in the early years of the founding of the province and the short-lived glory in the late 1990s. It has been struggling; it has experienced ups and downs after the restructuring in 1998, and it has regained its glory after the comprehensive renovation in 2003. Over the past twenty years, Hainan Wanghai International Hotel has experienced the ups and downs of the social and economic development of the Hainan Special Economic Zone and the challenges and tests of the market economy. It has always remained in an invincible position and has gradually created a hotel with Hainan's local characteristics. The corporate brand "Wanghailou".

Liu Xiaomei, a bar singer who sang at Wanghailou Hotel - she was Xie Yuxin who later became famous in China.