Grand Lake St. Marys Lighthouse
Lighthouse · Mercer County, Ohio

Grand Lake St. Marys Lighthouse is a lighthouse in Mercer County, Ohio. Ohio has 21 lighthouses on record at Wayfarrow.
Status check, 2026-11: Also called the Northwood(s) Lighthouse, this replica of the Eddystone light has been on the National Register since 1982. Most sources say it was built in 1923, but a local historical marker says 1925, so the year is left blank. No tower height was found. Grand Lake St. Marys Lighthouse is listed on the National Register of Historic Places. It stands at 40.5433° N, 84.4814° W.
Key facts
| Heritage designation | National Register of Historic Places listed place |
|---|---|
| National Register | Listed |
| Coordinates | 40.54330, -84.48140 |
Nearby places
- Earleyghost town · Mercer County · 7.4 mi
- Bayghost town · Auglaize County · 10.7 mi
- Striptownghost town · Mercer County · 11.4 mi
- Steinmanghost town · Mercer County · 12.2 mi
- Pusheta Townghost town · Auglaize County · 13.3 mi
- Brehmghost town · Mercer County · 15 mi
- Delvinghost town · Darke County · 15.4 mi
- Hartfordghost town · Allen County · 16 mi
- MacAdamghost town · Van Wert County · 16.2 mi
- Strakersghost town · Darke County · 16.4 mi
- Shastaghost town · Van Wert County · 16.5 mi
- Buena Vistaghost town · Van Wert County · 16.7 mi
Sources and licences
- 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)
- 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.