- Milton
- Mimosa Park
- Mira
- Mitchell
- Mittie
- Modeste
- Monterey
- Mora
- Morrow
- Mount Airy
- Mount Hermon
- Mount Carmel
- Martello Castle
- Martin Island
- Mink Island
- Mitchell Island
- Mitchell Key (historical)
- Mohawk City
- Mud Grass Islands
- Myrtle Grove
- Martins Island
- Mangham
- Mansura
- Maringouin
- Miles
- Marksville
- Marrero
- Marathon
- Mathews
- Maurice