McDonald's Restaurants Address40950 Merchants Lane, St. Mary's County, Leonardtown, US Websitehttps://www.mcdonalds.com/us/en-us/location/md/leonardtown/40950-merchants-ln/11464.html AreaSt. Mary's County, Leonardtown, United States Open on map Directions Back to directory search ☆ ☆ ☆ ☆ ☆ Submit