This is a list of the Maryland state historical markers in Saint Mary's County.
This is intended to be a complete list of the official state historical markers placed in Saint Mary's County, Maryland by the Maryland Historical Trust (MHT). The locations of the historical markers, as well as the latitude and longitude coordinates as provided by the MHT's database, are included below. There are currently 20 historical markers located in Saint Mary's County.
Marker titleImageCityLocationTopicsBritish Landing PreventedSt. George Island, MarylandMD 249 (Piney Point Road) west side, 0.1 mile south of St. George Island BridgeCecil's Mill Historic DistrictGreat Mills, MarylandMD 471 (Indian Bridge Road) east side, 0.2 miles north of MD 5 (Point Lookout Road)ChapticoChaptico, MarylandMD 234 (Budds Creek Road) south side, 100 ft. west of MD 238 (Maddox Road)Charlotte Hall SchoolCharlotte Hall, MarylandMD 5 (Three Notch Road) west side, at Charlotte Hall School RoadCoole Springs of Saint Marie's Charlotte Hall, MarylandCharlotte Hall, MarylandCharlotte Hall Road (east side), 150 ft. south of Charlotte School RoadDe La Brook ManorOraville, MarylandMD 6 (New Market Turner Road) at Delabrooke Road, northeast cornerDeep FallsClements, MarylandMD 234 (Budds Creek Road) south side, 2.7 miles west of MD 242 (Colton Point Road)Fenwick ManorHillville, MarylandJones Wharf Road (north side), 300 ft. east of MD 235 (Three Notch Road)LeonardtownLeonardtown, MarylandWashington Street at MD 5 Bus. (Fenwick Street)Manor of Cornwaleys' CrossSt. Inigoes, MarylandMD 5 (Point Lookout Road) west side, at Loblolly Lane, 0.3 mile south of Villa RoadMargaret Brent PilgrimageLexington Park, MarylandMD 5 (Point Lookout Road) in front of St. Mary's City post officeMattapanyPaxtuxent River NAS, MarylandMillstone Road (northeast side) at Mattapany Road, 0.4 miles north of Cedar Point RoadMattapany StreetSt. Mary's City, MarylandMD 5 (Point Lookout Road) west side, at Mattapany RoadPoint Lookout Prisoner-of-War CampPoint Lookout, MarylandMD 5 (Point Lookout Road) east side, 0.62 mile south of Lake ConoySaint Clement's IslandColton's Point, MarylandPoint Breeze Road (north side), 500 ft. east of MD 242 (Colton Point Road)Saint Nicholas ChurchLexington Park, MarylandMD 235, approx. 2 miles south of Great Mills RoadSt. Joseph's ManorCalifornia, MarylandTown Creek Drive (south side), 130 ft. north of Harbor Lane, 1.6 miles east of MD 235St. Mary's City - Capital of MarylandSt. Mary's City, MarylandMD 5 (Point Lookout Road) west side, 175 ft. north of Trinity Church Road (south end)St. Mary's Female SeminarySt. Mary's City, MarylandTrinity Church Road (north side of north end), 150 ft. west of MD 5Three Notch RoadOraville, MarylandMD 235 (Three Notch Road), 200 ft. north of Mt. Zion Church Road
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