- Milltown Landing
- Mistletoe Springs
- Montpelier
- Montpelier Forest
- Montpelier Hills
- Montpelier Woods
- Mount Calvert
- Muirkirk
- Murray Hill
- Mainbrace
- Mallard Point
- Mallard Point
- Marling Farms
- Matapeake
- Matapeake Estates
- McGinnes
- Mussel Shoals
- Maddox
- Maple Run
- Maryland Manor
- McKay Beach
- Melody Acres
- Middle Earth
- Milestown
- Mill Cove Manor
- Mill Point Shores
- Mount Pleasant
- Myrtle Point
- Maddox Island
- Maddox Island