- Lenroy Island
- Libby Islands
- Little Bois Bubert Island
- Little Dochet Island
- Little Dram Island
- Little Drisko Island
- Little Fort Island
- Little Machias
- Little Mark Island
- Little Moose Island
- Little Peabody Island
- Little Pine Island
- Little Ram Island
- Little Ram Island
- Little River Corner
- Little River Island
- Little River Island
- Little Sheep Island
- Little Ship Island
- Little Spruce Island
- Long Island
- Long Island
- Loons Nest
- Lords Island
- Lower Beddington
- Lower Dennysville
- Lake Arrowhead Estates
- Limerick Mills
- Little Stage Island
- Long Beach