Port Sanilac Light placement and the unique shape were dictated by and created because of budgetary constraints (Congress appropriated only half the money requested). Designed by Eleventh District Engineer Captain Charles E. L. B. Davis, the design has been called "both unique and architecturally significant in its elegance." The tower is white with a red roof. This "handsome" lighthouse shares its design with only one other, Ile Aux Galets, also known as Skilligallee Island Light, on Lake Michigan. The Port Sanilac Light tower is capped with a cast iron lantern room, which still houses a fourth order Fresnel lens manufactured by Barbier and
Port Washington Light the previous light; however it is known that a fourth order lens was installed in 1870. This lens, at above the water, gave the light a range of . The 1859 building housed one keeper and his family. An office was on the first floor and a watch room on the second. Charles Lewis Sr. was the keeper from 1874 to 1880, when he died. His wife took over briefly, then his son Charles Lewis Jr. maintained Port Washington's lights for many years. With the dredging and enlargement of the harbor in the late 1800s, the Port Washington Breakwater Light