Eden Isles is a census-designated place (CDP) in St. Tammany Parish, Louisiana, United States, on the northeast shore of Lake Pontchartrain. The population was 6,983 at the 2010 census, and 7,782 in 2020. It is part of the New Orleans–Metairie–Kenner metropolitan statistical area. The area consists of census tracts 408.04 and 408.05 in the 70458-9021 postal code.