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Mahon River Lighthouse

Fl W 4s🇺🇸Delaware, USOperational

Location & Light Range

About Mahon River Lighthouse

The Mahon River Lighthouse commenced operations in 1903. Its structure stands at a focal height of 11 meters above the water. The lighthouse emits a white light. It is situated in Delaware.

Why it matters: This lighthouse is listed on the National Register of Historic Places.

Light & Optic

Characteristic Signature
Fl W 4s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
4s
Focal Height
11m

Location

City
Delaware
Country
🇺🇸US
Latitude
39.1846°
Longitude
-75.4005°

Nearby Vessels

Flag
Type
Name
Dist.

Construction & History

Year Built
1903
Heritage Status
National Register of Historic Places listed place

References & Identifiers

Wikipedia
Read on Wikipedia →
Wikidata
Q6734755 →
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Frequently Asked Questions

How do mariners identify Mahon River Lighthouse at night?+
Mahon River displays the characteristic Fl W 4s — 1 white flash every 4 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.
Which ports and harbors does Mahon River Lighthouse guide vessels into?+
Mahon River Lighthouse assists vessels approaching 5 nearby ports. The closest is Camden at 7.4 NM to the WSW. Other ports served include GREENWICH BOATWORKS (12.2 NM N), Big Stone (12.7 NM SSE), Fairton (13.9 NM NE), PORT NORRIS (17.9 NM E). Mariners should consult the relevant chart for full approach and pilotage information.
Is Mahon River Lighthouse still active and maintained?+
Yes, Mahon River Lighthouse is currently operational. It is actively maintained and continues to emit its characteristic light signal for marine navigation. Most modern lighthouses are automated and monitored remotely by the national maritime authority.
What shipping routes pass near Mahon River Lighthouse?+
Mahon River 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 Mahon River Lighthouse?+
You can track vessels near Mahon River 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.