Sansha Yongxing Airport (Sansha Yongxing Airport, IATA: XYI, ICAO: ZJYX), located in the southeast of Yongxing Island, Yongxing Town, Xisha District, Sansha City, Hainan Province, China, about 800 meters west of the Sansha Municipal People's Government, is a 4C-level military and civilian shared airport   .
In April 1991, the military Yongxing Island Airport was completed and opened to navigation; in 2012, Hainan Province applied to renovate and expand the Yongxing Island Airport into a military-civilian airport; on December 22, 2016, Sansha Yongxing Airport opened civil aviation business charter flights     .
As of December 2016, the terminal building of Sansha Yongxing Airport covers an area of ​​about 3,500 square meters, and the apron has 4 civil aviation parking stands; the airport runway is 3,000 meters long and 50 meters wide, and can take off and land aircraft below Boeing B737-800   ;Hainan Airlines has opened a total of 1 routes here   .
In 2021, Sansha Yongxing Airport will have a total annual passenger throughput of 36,405 passengers, a year-on-year increase of 85.0%, ranking 235th in the country; cargo and mail throughput of 200.2 tons, a year-on-year increase of 54.1%, ranking 170th in the country; sorties, a year-on-year increase of 88.1%, ranking 239th in the country   .