Place
- Lake George Region, north of Clarks Pond, west of Shushan1
- Lakeville1
- Lauderdale1
- Leeds1
- Leelanau1
- Lewis1
- Lincoln, Hwy. B, 0.1 mile North Yellow River1
- Linwood1
- Little Church River1
- Little Sand Bay, ca. 9 miles north and 2 miles west of Bayfield1
- Long Island1
- Long Island, a sand formed island in Lake Superior, south of Madeline Island in (but not part of) the Apostle Island group1
- Loudoun1
- Louisiana1
- Luskville Falls, northeast of Luskville1
- Manitoba1
- Mansel (Mansfield) Island1
- Marquette1
- Maryland1
- Menominee1