This map layer shows major ports in the United States, Puerto Rico, and the U.S. Virgin Islands. A port is a city, town, or urban area with a harbor where ships load or unload. This is a revised version of the July 2012 map layer.
For access to the most current data, please visit: [https://erma.noaa.gov/greatlakes#/layers=1+5663+5848+5925&x=-84.30333&y=45.92831&z=6&panel=layer]