Come explore the Potomac and Patuxent River and other beautiful and scenic waterways located here in St. Mary's County.
Things to Do
With over 500 miles of shoreline on the Potomac and Patuxent Rivers, and Chesapeake Bay, plus countless other rivers, streams, tidal marshes, and inlets, St. Mary's County is a water wonderland.
St. Mary's Heritage
21627 Oakley Road
Avenue, Maryland 20609