About This Place
Big Pine Key is a census-designated place and unincorporated community in Monroe County, Florida, on an island of the same name in the Florida Keys. As of the 2000 census, the town had a total population of 5,032.
Big Pine Key is located at 24°41′10″N 81°21′40″W / 24.68611°N 81.36111°W / 24.68611; -81.36111 (24.686170, -81.360988).
U.S. 1 (or the Overseas Highway) crosses the key at mile markers 29.5—33, one of the few places on the Keys where the road orients north-south (along the eastern edge of the Key).