MaryKay Shumway, Door County Real Estate at marykayshumway.com / www.moredoorcounty.com / 920-421-0038 View DOOR COUNTY NORTH homes & condominiums for sale & the entire Door County MLS. CRS/RRS /ABR, Real Estate Consultant Sunset Drive across from the Sister Bay Marina 920-854-2353 The Kellstrom-Ray Agency, Inc. Full-time real estate BROKER serving all of Door County, Listing Services & Accredited Buyer Representation