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Old Field Point Lighthouse

Fl R 12s🇺🇸Downstate New York, USInactive

Location & Light Range

About Old Field Point Lighthouse

Constructed in 1823, this lighthouse stands on the North Shore of Long Island, near the entrances to Port Jefferson Harbor and Stony Brook Harbor. The tower measures 11 meters in height, with the focal plane of the light situated 22.5 meters above sea level. Originally displaying a red light, the station is no longer operational. Its location is between the mouths of two significant harbors on the island's northern coast. The lighthouse was added to the National Register of Historic Places in 2024.

Why it matters: The lighthouse was listed on the National Register of Historic Places in 2024.

Background
Old Field Point Light is a lighthouse within the village of Old Field, New York between the entrances to Port Jefferson Harbor and Stony Brook Harbor on the North Shore of Long Island. The light was listed on the National Register of Historic Places in 2024.

Light & Optic

Characteristic Signature
Fl R 12s
Flash Type
Flashing
Light Color
Red
Flash Count
1 flash
Interval
12s
Focal Height
22.5m

Construction & History

Year Built
1823

References & Identifiers

Wikipedia
Read on Wikipedia →
Wikidata
Q7083974 →
OpenStreetMap
View on OSM →

Tower & Structure

Tower Height
11m

Location

City
Downstate New York
Country
🇺🇸US
Latitude
40.9769°
Longitude
-73.1186°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Old Field Point Lighthouse at night?+
Old Field Point displays the characteristic Fl R 12s — 1 red flash every 12 seconds. Each lighthouse has a unique flash pattern published in the List of Lights, allowing mariners to positively identify it and distinguish it from other navigation aids in the area. The red color may indicate a specific sector or warning zone.
Which ports and harbors does Old Field Point Lighthouse guide vessels into?+
Old Field Point Lighthouse assists vessels approaching 5 nearby ports. The closest is Port Jefferson at 1.5 NM to the SE. Other ports served include East Setauket (2.7 NM SSE), STONY BROOK (3.7 NM SSW), MOUNT SINAI (4 NM ESE), SMITHTOWN KINGS PARK (6.7 NM SW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Old Field Point Lighthouse still active and maintained?+
Old Field Point Lighthouse is currently listed as inactive. It may have been decommissioned, replaced by a different navigation aid, or temporarily taken out of service. Mariners should check the latest Notices to Mariners for current status.
What shipping routes pass near Old Field Point Lighthouse?+
Old Field Point Lighthouse is located within the US East Coast shipping lane — a major shipping corridor serving ports along the Atlantic seaboard of the United States. This makes it an important navigation reference for commercial shipping traffic in the region.
How can I track vessels near Old Field Point Lighthouse?+
You can track vessels near Old Field Point Lighthouse in real time using MarineRadar. The platform shows live AIS positions of ships in the area, including vessel name, type, flag, speed, and course. Use the "Track Vessels Nearby" button on this page to open the live map centered on this lighthouse.