- Marlton South
- Marlywood
- Marriott Hill
- Marriottsville
- Mars Estates
- Marsh Island
- Marshalee Estates
- Marshall Hall
- Marshalls Corner
- Marshope
- Marshyhope Village
- Marston
- Marthas Legacy
- Martin
- Martin Manor
- Martindale
- Martindale
- Martingham
- Martins Additions
- Martins Choice
- Martins Corner
- Martins Cove Farm
- Martins Crossroads
- Martinsburg
- Marumsco
- Marvania Heights
- Marwood
- Mary E White Estate
- Marydel
- Marydell