Sun City is an unincorporated community in Hillsborough County, Florida, United States. The community is located along U.S. Route 41, 4 miles southwest of Ruskin. Sun City has a post office with ZIP code 33586.Sun City was built in 1925 and originally promoted as "Florida's Moving Picture City", with streets named after notable film actors and a $300,000 movie studio. However, the housing bubble burst, and the studio was demolished in 1932.