A true West Loop penthouse with exceptional private outdoor space, this spectacular top-floor duplex offers more than 3,400 square feet of luxury living and an expansive walk-out terrace designed for entertaining. Set within an intimate eight-unit boutique elevator building, the residence combines the privacy and scale of a single-family home with the convenience of sophisticated condominium living in one of Chicago's most desirable neighborhoods. The dramatic main living level is defined by soaring natural light, an open-concept floor plan, and seamless indoor-outdoor living. The chef's kitchen and dining area open directly onto the 700+ square-foot private terrace, creating an exceptional setting for outdoor dining, entertaining, and relaxing above the city. Designed for the serious home chef, the kitchen features custom, top-of-the-line Copatlife Italian cabinetry, a combination of natural stone and quartz surfaces, generous pantry storage, and an impressive collection of premium appliances including Sub-Zero refrigerator and freezer columns; Gaggenau oven, range, microwave, built-in coffee maker, steam oven, and warming drawer; and a Miele dishwasher. A filtered still-and-sparkling water tap and operable skylights complete this highly customized space. Chevron hardwood floors extend throughout the living areas, adding warmth and architectural character. Additional features include a custom media wall in the living room, built-in display cabinetry, and separate wet and dry bars. The private bedroom level is anchored by a serene primary suite with a spa-inspired bathroom featuring a steam shower and heated floors. Two additional bedrooms, two full baths, and a dedicated laundry room share this level. A spacious family room with fireplace, bar, and covered balcony adds flexibility and may be configured as a fourth bedroom, guest suite, or home office. Every bathroom, including both powder rooms, is finished in marble, with a Toto Neorest in the primary bath and Washlets in all others. A custom-built, temperature-controlled 600-bottle wine cellar completes this level. RH chandeliers and lighting are found on both levels and the terrace. Integrated smart-home technology includes Ring cameras and doorbell, Control4-operated KEF built-in ceiling speakers and motorized shades throughout, Lutron lighting controls, a Ubiquiti mesh Wi-Fi network, a smart thermostat, and pre-wiring for a security system. This whole-home technology system is fully installed and transfers with the sale. One deeded parking space in the heated, attached garage is included. Ideally located near Jackson Boulevard and Green Street, this luxury West Loop duplex penthouse is moments from Mary Bartelme Park, Skinner Park, Whole Foods, neighborhood cafes, and everyday conveniences. The acclaimed restaurants, nightlife, boutiques, and entertainment of Fulton Market and Randolph Street are approximately a 10-minute walk away. Offering generous living space, a flexible three-to-four-bedroom floor plan, designer finishes, smart-home features, garage parking, and a remarkable private terrace, this is an exceptional opportunity to experience elevated West Loop living.