O'Neill Site

The O'Neill Site, also designated 20CX18, is an archaeological site located about 5 km south Charlevoix, Michigan. It was listed on the National Register of Historic Places in 1971.

It is a partially stratified Late Woodland period site, located near the mouth of Inwood Creek. Occupation of the site spanned approximately AD 1000 - 1455. Numerous stone tools, pottery, and house remains were found at the site.