Profile: Great Lakes Lift, Inc. manufactures boat lifts & boat hoists and docks. The vertical boat lifts feature all aluminum construction, grade 5 bolts and U-bolts (stainless bolts where applicable) & utilizes an all-welded side designed to facilitate entry to boat from both sides as well as ends. All in-water cables are stainless steel and the pulley shafts are equipped with grease fittings. Our Port-O-Eze dock system comes standard with a 6" aluminum frame and a choice of cedar or vinyl walkway. There are several support options available, which include the under dock leg system and the winch and roll system. Port-O-Eze is also available with a rub rail side.