54 Real Estate Listings for Sale in Round Lake

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Search for Round Lake luxury homes with the Sotheby’s International Realty network, your premier resource for Round Lake homes. We have 54 luxury homes for sale in Round Lake, and 40,405 homes in all of Illinois. 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 Round Lake.