Harbor Island is a island located in Knox County, Maine. It appears on the Isle Au Haut West USGS 7.5-minute topographic quadrangle. The nearest populated place is Isle Au Haut, approximately 2.5 miles to the SSE.
Knox County · Maine
Harbor Island is a island located in Knox County, Maine. It appears on the Isle Au Haut West USGS 7.5-minute topographic quadrangle. The nearest populated place is Isle Au Haut, approximately 2.5 miles to the SSE.