Great Captain Island Light
Lighthouse · Western Connecticut County, Connecticut

Great Captain Island Light is a lighthouse in Western Connecticut County, Connecticut. Connecticut has 34 lighthouses on record at Wayfarrow, 7 of them in Western Connecticut County.
It was built in 1868, in the Civil War era, making it the 10th oldest of the 28 in Connecticut with a recorded construction date; the tower stands about 51 feet tall (9th tallest of 21 measured in Connecticut); its light sits 51 feet above the water; the light characteristic is recorded as Fl G 5s (a green flash every 5 seconds); it was deactivated in 1970; the structure is built of wood.
Status check, 2026-11: Granite keeper's house with the light tower on the roof, built in 1868 to replace the 1829–30 tower; discontinued in 1970 (a skeleton tower now carries the navigation light) and restored by the Town of Greenwich. Great Captain Island Light is listed on the National Register of Historic Places. It stands at 40.9825° N, 73.6235° W.
Key facts
| Current structure built | 1868 |
|---|---|
| Tower height | 51 ft |
| Focal height | 51 ft |
| Light characteristic | Fl G 5s |
| Deactivated | 1970 |
| Material | wood |
| Heritage designation | National Register of Historic Places listed place |
| National Register | Listed |
| Coordinates | 40.98250, -73.62350 |
Nearby places
- Great Captain Island Lightlighthouse · Western Connecticut County · 0 mi
- Great Captain Island Lightlighthouse · Western Connecticut County · 0 mi
- East Port Chesterghost town · Western Connecticut County · 2.4 mi
- Limerickghost town · Westchester County · 2.8 mi
- Stamford Harbor Ledge Lightlighthouse · Western Connecticut County · 4.7 mi
- Cuties Islandghost town · Western Connecticut County · 6.9 mi
- Westcottghost town · Western Connecticut County · 7.4 mi
- Willisvilleghost town · Western Connecticut County · 7.8 mi
- Cold Spring Harbor Lightlighthouse · Nassau County · 8.3 mi
- Execution Rocks Lightlighthouse · Westchester County · 9.4 mi
- Sands Point Lightlighthouse · Nassau County · 9.8 mi
- Greens Ledge Lightlighthouse · Western Connecticut County · 10.2 mi
Questions
Where is Great Captain Island Light?
Great Captain Island Light is in Western Connecticut County, Connecticut, at 40.9825, -73.6235.
How many lighthouses are in Western Connecticut County?
Western Connecticut County, Connecticut has 7 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)
- 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.