Duluth Port Authority buys Duluth Lake Port dock for $950,000 The $950,000 purchase is part of the city's plan to refurbish the area. December 11, 2020 — 6:08pm Text size Copy shortlink: The Duluth Seaway Port Authority has completed its $950,000 purchase of the Duluth Lake Port dock on Rice's Point, advancing plans to rehabilitate a stretch of properties in the region. The 7.5-acre Duluth Lake Port dock and a 3.5-acre slip date to the 1880s and were previously used as a flour mill, grain elevators and storage. The purchase closed Dec. 1, officials announced Thursday, and includes land, buildings, the slip and 3,000 feet of rail lines that connect to the city's adjacent Clure Public Marine Terminal and to the CN Duluth Intermodal Terminal.