35,536 Real Estate Listings for Sale in Illinois

Search for Illinois luxury homes with the Sotheby’s International Realty network, your premier resource for Illinois homes. We have 35,538 luxury homes for sale in Illinois, and 50,851 homes in all of United States. Homes listings include vacation homes, apartments, penthouses, luxury retreats, lake homes, ski chalets, villas, and many more lifestyle options. Each sale listing includes detailed descriptions, photos, amenities and neighborhood information for Illinois.