- Litchfield
- Little Barndoor Island
- Little Bear Island
- Little Birch Island
- Little Boars Head
- Little Camp Island
- Little Island
- Little Island
- Little Island
- Little Kenniston Island
- Little Loon Island
- Little Seavey Island
- Little Sixmile Island
- Littlefield
- Littlemark Island
- Littleton
- Livermore
- Lochmere
- Lockehaven
- Lockes Corner
- Log Cabin
- Londonderry
- Long Island
- Long Island
- Long Pine Island
- Long Sands
- Loon Cove
- Loon Island
- Loon Island
- Loon Island