Saint Martin Island is a island located in Mackinac County, Michigan. It appears on the Saint Martin Island USGS 7.5-minute topographic quadrangle. The nearest populated place is Pontchartrain Shores, approximately 4.8 miles to the NNW.
Mackinac County · Michigan
Saint Martin Island is a island located in Mackinac County, Michigan. It appears on the Saint Martin Island USGS 7.5-minute topographic quadrangle. The nearest populated place is Pontchartrain Shores, approximately 4.8 miles to the NNW.