- Marsh Harbor
- Marsh Hawk
- Marsh Island
- Middle Marsh Island
- Mink Point Plantation
- Morgan Island
- Morgan River Estates
- Myrtle Island
- Midway
- Magnolia Ranch
- Marsh Cove
- Marsh Point
- Martins Landing
- Martins Point Landing
- Mary Island
- Maryville
- McCalls Corner
- Melrose
- Middle Coles Island
- Midland Park
- Mill Island
- Miller Hill
- Moores Corner
- Moores Landing
- Moreland
- Morris Island
- Murphy Island
- Murphy Island
- Murray Landing
- Myers