Dunedin, resort city (1990 pop. 34,012), Pinellas co., W Fla., on the Gulf Coast and St. Joseph Sound (part of the Intracoastal Waterway); founded by Scots in 1870, inc. 1898. It is a growing commercial center and a processing site for citrus fruit. Dunedin's population more than doubled in the late 20th cent. The city is connected to Dunedin Beach, an island, by a causeway.