WayfarrowPlum Island Light
Lighthouse · Suffolk County, New York
Plum Island Light is a lighthouse in Suffolk County, New York. New York has 84 lighthouses on record at Wayfarrow, 17 of them in Suffolk County.
It was built in 1869, in the Civil War era, making it the 19th oldest of the 56 in New York with a recorded construction date; its light sits 49 feet above the water; the light characteristic is recorded as Fl W 2.5s (a white flash every 2.5 seconds), with a range of about 5 nautical miles.
Status check, 2026-11: The 1869 granite house with its tower replaced the 1827 light. It was deactivated in 1978, and a steel tower next to it now carries the light. Sources disagree on height, and one says construction ran into 1870. Plum Island Light is listed on the National Register of Historic Places. It stands at 41.1737° N, 72.2115° W.
Key facts
| Current structure built | 1869 |
|---|---|
| Focal height | 49 ft |
| Light characteristic | Fl W 2.5s |
| Range | 5 nautical miles |
| Heritage designation | National Register of Historic Places listed place |
| National Register | Listed |
| Coordinates | 41.17367, -72.21152 |
Nearby places
- Plum Gut Lighthouselighthouse · Suffolk County · 0 mi
- Orient Point Lightlighthouse · Suffolk County · 0.9 mi
- Gardiner Island Lighthouselighthouse · Suffolk County · 4.1 mi
- Little Gull Island Lightlighthouse · Suffolk County · 5.9 mi
- Orient Long Beach Bar Lightlighthouse · Suffolk County · 6.7 mi
- Saybrook Breakwater Lightlighthouse · Lower Connecticut River Valley County · 9.2 mi
- Cedar Island Lightlighthouse · Suffolk County · 9.5 mi
- Lynde Point Lightlighthouse · Lower Connecticut River Valley County · 9.6 mi
- Lynde Point Lightlighthouse · Lower Connecticut River Valley County · 9.6 mi
- Race Rock Lightlighthouse · Suffolk County · 9.8 mi
- New London Ledge Lightlighthouse · Southeastern Connecticut County · 11.5 mi
- New London Harbor Lightlighthouse · Southeastern Connecticut County · 11.7 mi
Questions
Where is Plum Island Light?
Plum Island Light is in Suffolk County, New York, at 41.1737, -72.2115.
How many lighthouses are in Suffolk County?
Suffolk County, New York has 17 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.