Sebago Lake State Park is a public recreation area encompassing 1,342 acres (543 ha) on the north shore of Sebago Lake in the towns of Naples and Casco, Cumberland County, Maine.

[1] The mostly forested park is divided into east and west sections by the Songo River.

[4] It is managed by the Maine Department of Agriculture, Conservation and Forestry.

Boating and swimming are also available at the day-use area in the park's east section.

Other park features include hiking trails and roadway biking.