Eden Isle is a census-designated place (CDP) in St. Tammany Parish, Louisiana, United States, on the northeast shore of Lake Pontchartrain.

The area is a residential community with homes built on a system of canals connecting to eastern Lake Pontchartrain, which also includes businesses along the Interstate-10 corridor as well as restaurants and marina services within the residential section.

Originally, the land was a marsh with a canal and levee bordering a pine forest behind Salmen High School and Our Lady of Lourdes Catholic Church and School.

The marsh was drained and filled over a period of several years prior to the development of the community.

As of the 2020 United States census, there were 7,782 people, 3,225 households, and 2,105 families residing in the CDP.