Duluth Harbor South Breakwater Inner Lighthouse is located in Duluth in Minnesota’s St. Louis County. It was built in 1889 and stands 68.8 feet (21m) tall. This cast iron and steel skeletal tower lighthouse is standing right at the foot of the Aerial Lift Bridge when you cross over to Minnesota Point – Park Point. It is one of three lighthouses you can see from this area. Also viewable is the Duluth Harbor South Breakwater Outer Lighthouse and the Duluth North Pier Lighthouse. The perfect locale for lighthouse lovers and to watch water vessels going through the canal and under the Aerial Lift Bridge. Parking is available within walking distance in the Canal Park area before you cross the bridge.