Rock Island is a island located in Hancock County, Maine. It appears on the Branch Lake USGS 7.5-minute topographic quadrangle. The nearest populated place is Sand Beach, approximately 1.5 miles to the SE.
Hancock County · Maine
Rock Island is a island located in Hancock County, Maine. It appears on the Branch Lake USGS 7.5-minute topographic quadrangle. The nearest populated place is Sand Beach, approximately 1.5 miles to the SE.