Harbor Island is a island located in Knox County, Maine. It appears on the Louds Island USGS 7.5-minute topographic quadrangle. The nearest populated place is Loudville, approximately 2.9 miles to the WNW.
Knox County · Maine
Harbor Island is a island located in Knox County, Maine. It appears on the Louds Island USGS 7.5-minute topographic quadrangle. The nearest populated place is Loudville, approximately 2.9 miles to the WNW.