Tourists visit a beach in Haikou, south China's Hainan Province, May 1, 2019, the first day of four-day May Day holiday. (Xinhua/Guo Cheng)

HAIKOU, July 18 (Xinhua) -- Tourism revenue of south China's Hainan Province totaled 49.1 billion yuan (about 7.14 billion U.S. dollars) in the first half of 2019, up 9.1 percent year on year, local authorities said Wednesday.

The island province received 38.6 million tourists in the first six months, up 6 percent year on year, according to a press conference on Hainan's economy.

Local tourism resorts and industrial bases boosted the development of Hainan's tourism market. A total of 33 tourism, recreational and sports projects are under construction, with a combined investment of about 26.6 billion yuan.

Meanwhile, rural tourism, duty-free stores and the cruise service industry have also contributed to Hainan's tourism market.