National Historic Register properties in St. Mary's county/parish, Maryland

• Mulberry Fields (Beauvue)
• Ocean Hall (Bushwood)
• Bachelor's Hope (Chaptico)
• Christ Episcopal Church (Chaptico)
• Deep Falls (Chaptico)
• All Faith Church (Charlotte Hall)
• St. Clement's Island Historic District (Colton)
• St. Francis Xavier Church and Newtown Manor House (Compton)
• Point No Point Light Station (Dameron)
• Porto Bello (Drayden)
• West St. Mary's Manor (Drayden)
• Cecil's Mill Historic District (Great Mills)
• Resurrection Manor (Hollywood)
• Sotterley (Hollywood)
• Charlotte Hall Historic District (Hughesville)
• Abell house (Leonardtown)
• Buena Vista (Leonardtown)
• St. Andrew's Church (Leonardtown)
• Tudor Hall (Leonardtown)
• Mattapany-Sewall Archeological Site (Lexington Park)
• St. Richard's Manor (Lexington Park)
• River View, The (Oakley)
• Sandgates On Cat Creek (Oakville)
• De La Brooke Tobacco Barn (Oraville)
• Piney Point Coast Guard Light Station (Piney Point)
• U-1105 BLACK Panther (Type VIIC German Submarine) (Piney Point)
• Bard's Field (Ridge)
• Cross Manor (St. Inigoes)
• St. Ignatius Roman Catholic Church (St. Inigoes)
• Woodlawn (St. Marys)
• MARY W.SOMERS (Chesapeake Bay skipjack) (St. Marys City)
• St. Marys City Historic District (St. Marys City)
• St. George's Protestant Episcopal Church (Valley Lee)