Posey Island is a island located in San Juan County, Washington. It appears on the Roche Harbor USGS 7.5-minute topographic quadrangle. The nearest populated place is Roche Harbor, approximately 1.0 miles to the SE.
San Juan County · Washington
Posey Island is a island located in San Juan County, Washington. It appears on the Roche Harbor USGS 7.5-minute topographic quadrangle. The nearest populated place is Roche Harbor, approximately 1.0 miles to the SE.