WayfarrowGranite Island Lighthouse
Lighthouse · Marquette County, Michigan
Granite Island Lighthouse is a lighthouse in Marquette County, Michigan. Michigan has 124 lighthouses on record at Wayfarrow, 6 of them in Marquette County.
It was built in 1868, in the Civil War era, making it the 22nd oldest of the 89 in Michigan with a recorded construction date; the tower stands about 40 feet tall (45th tallest of 63 measured in Michigan); its light sits 59 feet above the water; the light characteristic is recorded as Fl W 6s (a white flash every 6 seconds), with a range of about 10 nautical miles; it guards Lake Superior.
Status check, 2026-11: Built of granite in 1868 and first lit in 1869, its square tower is 40 ft tall. The island and light are privately owned and closed to the public; the record's 15 m height probably refers to a different, newer light tower. Granite Island Lighthouse is listed on the National Register of Historic Places. It is not reachable by road: the nearest road is about 6 miles away, so it is seen from shore or reached by water. It stands at 46.7208° N, 87.4119° W.
Key facts
| Current structure built | 1868 |
|---|---|
| Tower height | 40 ft |
| Focal height | 59 ft |
| Light characteristic | Fl W 6s |
| Range | 10 nautical miles |
| Body of water | Lake Superior |
| Heritage designation | National Register of Historic Places listed place |
| National Register | Listed |
| Coordinates | 46.72083, -87.41194 |
Nearby places
- Presque Isle Harbor Breakwater Lightlighthouse · Marquette County · 10.3 mi
- Marquette Harbor Lightlighthouse · Marquette County · 12.2 mi
- Big Bay Point Lightlighthouse · Marquette County · 15.2 mi
- Huron Island Lightlighthouse · Marquette County · 32.4 mi
- Stannard Rock Lightlighthouse · Marquette County · 33.3 mi
- Grand Island North Lightlighthouse · Alger County · 36.5 mi
- Grand Island Harbor Front Range Lightlighthouse · Alger County · 39.4 mi
- Grand Island Harbor Rear Range Lightlighthouse · Alger County · 39.5 mi
- Munising Rear Range Lightlighthouse · Alger County · 41.5 mi
- Munising Front Range Lightlighthouse · Alger County · 41.5 mi
- Grand Island East Channel Lightlighthouse · Alger County · 41.7 mi
- Osierghost town · Delta County · 46.2 mi
Questions
Where is Granite Island Lighthouse?
Granite Island Lighthouse is in Marquette County, Michigan, at 46.7208, -87.4119.
How many lighthouses are in Marquette County?
Marquette County, Michigan has 6 lighthouses on record at Wayfarrow.
- Wayfarrow status check (web sources) — Checked for current status (facts)
- Wayfarrow status check (web sources) — Checked for current status (facts)
- Wayfarrow status check (web sources) — Checked for current status (facts)
- Wikidata — Wikidata item (CC0)
- National Register of Historic Places — National Register of Historic Places record (public-domain)
- Wikidata — Wikipedia article (linked as a source; text not used) (CC0)
Facts marked "approximately" carry an uncertain date in the source. Text on this page is generated from the sources above; no encyclopedia prose is copied. Last updated 2026-11-05.