- Little Deer Isle
- Little Duck Island
- Little Eaton Island
- Little Freese Island
- Little George Head Island
- Little Gott Island
- Little Island
- Little McGlathery Island
- Little Moose Island
- Little Pickering Island
- Little Sheep Island
- Little Spruce Head Island
- Little Sugar Bear Island
- Littlefield Island
- Lobster Island
- Long Island
- Long Island
- Loon Island
- Loon Island
- Louse Island
- Lucerne-in-Maine
- Lehman Island
- Linekin
- Little Green Island
- Little Island
- Little Oak Island
- Lobster Rock
- Locust Island
- Louds Island
- Loudville