Battle Island Lighthouse was placed in operated in 1875.
The original lighthouse was described to have exhibited “a revolving catoptric light, showing alternately red and white, and attaining its greatest brilliancy every one-and- a-half minute. It is elevated 105 feet above water mark, and in clear weather should be seen 18 miles. The tower is a square wooden building, 30 feet high from base of structure to vane of lantern, and is painted white.”
The new lighthouse was placed in operation on May 12, 1915 and employed a triple-flash, long-focus reflector to produce the following characteristic: flash, four-second interval, flash, four-second interval, flash, sixteen-second interval. The fog alarm, which replaced a hand-operated foghorn given to Keeper McKay in 1901, sounded a three-and-a-half-second blast every thirty seconds as needed.
