- Little Pond Island
- Little Smith Island
- Little Spoon Island
- Little Two Bush Island
- Little White Island
- Lobster Island
- Long Cove
- Lowell Rock
- Lucas Corner
- Lary Island
- Liberty Corner
- Loon Island
- Loon Island
- Lunch Island
- Lynchville
- Long Island
- Lakeside Landing
- Leathers Corner
- Libby Corner
- Lincoln Center
- Lincoln Mills
- Little Birch Island
- Little Island
- Little Italy
- Loon Island
- Louse Island
- Lowell Island
- Lucky Landing
- Lambert Island
- Ledge Island