Stunning 3,358 square foot 3beds, 3 baths duplex penthouse on the top two floors of the historic McCormick Mansion in the heart of the Gold Coast. Large open concept living/dining room with over 9.5 foot ceilings, wood-burning fireplace and new custom bookcases/china cabinet built-ins. Highly upgraded kitchen with quartz countertops, custom cabinetry and high-end appliances. The kitchen and family room receive abundant natural light from the large windows and skylights. Impressive master bedroom has ensuite bathroom with double sink vanity, large tub, separate shower and two built-out custom closets. 2nd bedroom has two custom closets plus walk-in closet. The 3rd bedroom has a brand new ensuite bathroom.It is perfect for a den, library or office. Large private terrace (13'x10') off the kitchen with Southeast views over the serene courtyard and Astor Street. Very well-maintained, quiet elevator building with onsite maintenance. Bike closet and large storage closet in the basement (9'x5'). One outdoor parking space included.