- Level Park-Oak Park
- La Grange
- Linden Mobile Home Park
- Lake Michigan Heights Mobile Home Park
- Lake Terrace Mobile Court
- Lakeview Mobile Home Village
- Little Island
- Legrand
- Long Point
- L and M Trailer Park
- La Pointe Island
- Lake Superior Estates
- Lime Island
- Lincoln
- Little Cass Island
- Little Lime Island
- Little Rogg Island
- Little Trout Island
- Long Island
- Long Island
- Love Island
- Lake
- Leota
- Long Lake Heights
- Lake Margrethe
- Louis Cabin Landing
- Lake Bluff
- Lambert
- Larch
- Lathrop