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St. Marks Lighthouse

Location: within the St. Marks National Wildlife Refuge near St. Marks, FL
Body of Water: Apalachee Bay

Local Marine Forecast.

There are no active watches, warnings or advisories 

Latest Condiitions.

About St. Marks Lighthouse


The location of the light is within the St. Marks National Wildlife Refuge. The nearest city is St. Marks, FL. The station was first established in 1831. The current lighthouse was first lit in 1842.

The lighthouse is a white conical tower.

The tower has a occulting white light at a focal plane height of 82 ft above mean high water. The tower height is 88 ft. The light has a period of 4 seconds.

Open to the Public?: Grounds Only    Active?: Yes

Identification number: 4-0010 (U.S.)
Identification number: J3300.1 (International)

The Lighthouse was automated in 1960 and remains an active aid to navigation for vessels on the Apalachee Bay.

An 'occulting' light is a light in which the total duration of light in a period is longer than the total duration of darkness and the interval of darkness (eclipses) are usually of equal duration. So in the 4 second period, the light is on for more than 2 then off for less than 2.

St. Marks Lighthouse was listed on the National Register of Historic Places on July 31, 1972, reference number 72000356.

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