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Sullivan Island Lighthouse
Sullivan Island Lighthouse, built in 1960, is one of the newest lighthouses in the United States. It unique triangular shape makes it easily identifiable. The Lighthouse sit on the coast just north of Charleston, South Carolina and is closed to the pubic. The lighthouse shoots out an unmistakable beam of light which consists of a 0.2 second flash, a 4.8 second eclipse, another 0.2 second flash, and a 24.8 second eclipse. The flashes, viewed at night are easily identified as being from this lighthouse.