Marin County Lighthouses Lighthouse
Location & Light Range
About Marin County Lighthouses Lighthouse
This lighthouse is situated on the southeastern point of Angel Island, approximately 4 miles northeast of the Golden Gate Bridge within San Francisco Bay. The current post structure, standing 3.5 meters tall, is adjacent to a 1-story former fog signal building. An earlier light was first established here in 1915. In 1961, the light was moved to the top of the fog signal building following the construction of a new Coast Guard station. The station was automated in 1971. It displays a green flash every 5 seconds, with a focal height of 18 meters, and has a geographic range of 12.7 nautical miles. The site is open to the public, though the tower itself is closed.
Why it matters: This light clearly marks the southeastern extremity of Angel Island, aiding vessels navigating the shipping lanes near the Golden Gate Bridge and around the island.
Light & Optic
- Flash Type
- Flashing
- Light Color
- Green
- Interval
- 5s
- Raw Code
- Fl G 5s
- Focal Height
- 18m
- Geographic Range
- 12.7NM
Construction & History
- Year Built
- 1961
- First Lit
- 1915
Significant events: station established 1915, Coast Guard station constructed and light placed on fog signal building 1961, automated 1971
Visiting
- Open to public
- Site open, tower closed
Nearby Vessels
Tower & Structure
- Tower Height
- 3.5m
Structure: post next to a 1-story former fog signal building
Location
- City
- Tiburon
- Country
- 🇺🇸United States
- Region
- California
- Sea Region
- on the southeastern point of Angel Island, off Tiburon in San Francisco Bay about 4 miles (6.5 km) northeast of the Golden Gate Bridge
- Latitude
- 37.8524°
- Longitude
- -122.4194°
References & Identifiers
- Nearest Port
- Tiburon(2.2 km)
- Admiralty No.
- G4119
- USCG No.
- 6-4335
- ARLHS No.
- USA-617
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