Rare opportunity to own a one-of-a-kind townhome in the Marshall Field Jr. Mansion, one of the last remaining original mansions on a beautiful tree-lined street of South Loop's historic Prairie District. This pristine 4,200 Sq Ft four bedrooms/two-half bathrooms is situated in the original carriage house which was designed by Daniel Burnham. Completely private, this townhome lives like a single family residence with its own dedicated entrance and attached private garage. From the first moment, you will be in awe of the unit's contemporary design, open foyer with architectural staircase, dramatic ceiling heights, generous natural light and 600-bottle wine cellar. The first floor provides a huge open living, dining, and kitchen space ideal for entertaining. With recently refinished hardwood floors, the open format kitchen has been thoughtfully designed with an oversized quartz island, natural walnut cabinets, high-end appliances and a large walk-in pantry. The second floor consists of a large master suite with dramatic vaulted ceilings, marble en suite bath w/ steam shower and soaking tub, generous walk-in closet, two additional large bedrooms, marble guest bath and laundry room. The home offers generous storage with custom closets, built-ins, and carefully detailed millwork throughout. Enjoy relaxing on your own private 700 sq ft turfed terrace with expansive city views, ideal for outdoor entertaining and grilling. Located close to downtown, parks, entertainment, transportation and the lake, this luxurious, modern townhome provides access to the best the city has to offer in an environment that feels private and secluded.