- Lake Shore Park
- Lakeport
- Leavitt Park
- Little Barndoor Island
- Little Camp Island
- Little Island
- Little Sixmile Island
- Littlemark Island
- Lochmere
- Lockes Corner
- Long Island
- Loon Cove
- Loon Island
- Loon Island
- Lovejoy Sands
- Lower Gilmanton
- Ledge Island
- Lees Mill
- Lincoln Island
- Little Bear Island
- Little Birch Island
- Little Kenniston Island
- Little Loon Island
- Long Island
- Long Pine Island
- Long Sands
- Loon Island
- Loon Island
- Loon Island
- Loon Islands