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Lime Point Lighthouse

Fl W 5s🇺🇸Northern California, USInactive

Location & Light Range

About Lime Point Lighthouse

The Lime Point Lighthouse was constructed and first illuminated in 1883. Situated on the northern side of the Golden Gate strait, it stands near the north anchorage of the Golden Gate Bridge. The lighthouse is built upon a rock spur extending 30 meters at Lime Point. Its focal height is 4.5 meters, and it emits a white light. This structure is no longer operational.

Why it matters: The lighthouse is located on the northern side of the narrowest part of the Golden Gate strait.

Background
Lime Point Lighthouse is a lighthouse in California, on the northern side of the narrowest part of Golden Gate strait. The lighthouse sits at the base of a steep cliff, very near the north anchorage of the Golden Gate Bridge. It is built on a 100-foot (30 m) long rock spur at Lime Point.

Light & Optic

Characteristic Signature
Fl W 5s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
5s
Focal Height
4.5m

Location

City
Northern California
Country
🇺🇸US
Latitude
37.8254°
Longitude
-122.4787°

Nearby Vessels

Flag
Type
Name
Dist.

Construction & History

Year Built
1883

References & Identifiers

Wikipedia
Read on Wikipedia →
Wikidata
Q3378304 →
OpenStreetMap
View on OSM →
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Frequently Asked Questions

How do mariners identify Lime Point Lighthouse at night?+
Lime Point displays the characteristic Fl W 5s — 1 white flash every 5 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 Lime Point Lighthouse guide vessels into?+
Lime Point Lighthouse assists vessels approaching 5 nearby ports. The closest is TRAVIS at 0.5 NM to the NNE. Other ports served include Sausalito (1.8 NM N), Tiburon (3.1 NM NNE), San Francisco (5 NM SE), TREASURE ISLAND (5.1 NM E). Mariners should consult the relevant chart for full approach and pilotage information.
Is Lime Point Lighthouse still active and maintained?+
Lime 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 Lime Point Lighthouse?+
Lime Point Lighthouse is located within the US West Coast shipping lane — a major trans-Pacific trade route serving West Coast ports of the United States. This makes it an important navigation reference for commercial shipping traffic in the region.
How can I track vessels near Lime Point Lighthouse?+
You can track vessels near Lime 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.