This 4100-square foot duplex penthouse is an entertainer's dream with an open floor plan, 20' ceilings, and a private rooftop deck in a boutique elevator building . Chef's kitchen with Sub-Zero, Miele, and Bosch appliances, 2" natural quartzite countertops, bar seating for 4, and a built-in wine fridge. Generous primary suite with balcony, 155 square foot walk-in-closet, and bath with natural light, dual vanity, water closet, and separate shower/tub. Two additional en-suite bedrooms plus an office/nursery/yoga room. The second living space upstairs could be used for a variety of things and provides a lot of flexibility. Two side-by-side ground level attached heated parking spaces included and low assessments. Just steps from River North's best dining, the Merchandise Mart, East Bank Club, Michigan Avenue retail, and the Chicago River walk.