San Marco Island is a island located in Miami-Dade County, Florida. It appears on the Miami USGS 7.5-minute topographic quadrangle. The nearest populated place is Port of Miami, approximately 1.1 miles to the S.
Miami-Dade County · Florida
San Marco Island is a island located in Miami-Dade County, Florida. It appears on the Miami USGS 7.5-minute topographic quadrangle. The nearest populated place is Port of Miami, approximately 1.1 miles to the S.