[Self Storage in Lake County WI • Brother's Storage Brother's Storage serves the Oconomowoc, Summit, Delafield, Hartland, Lac La Belle, Ixonia, Wales, Dousman and the entire Lake Country area. We have a variety of unit sizes to meet your storage needs. All units have private doors, 12′ to 15-tall interior ceilings for extra volume and stackable storage, heavy-duty cylinder locks, and 24-hour access.]