411 W Ontario Street 201-302 Welcome to an extraordinary River North residence- a rare, architecturally stunning 4, 200+ sq. ft. corner duplex where two units have been flawlessly combined into one show-stopping home unlike anything else in the building. This 3-bedroom + den, 4 renovated full-bath retreat spans two levels, offering a thoughtful blend of design, function, and comfort. Two fully renovated kitchens, two separate entrances, and two expansive living areas. Each living area is designed with its own fireplace and soaring ceilings which create versatile spaces for both grand entertaining and private relaxation. A sculptural glass staircase connects the levels, while wood and concrete sound insulation ensures quiet throughout. The main living and dining area is anchored by a dramatic dual-sided fireplace, with custom bench seating around the dining room perimeter featuring concealed storage. The chef's kitchen boasts a 10-foot quartz waterfall island, custom Italian cabinetry, Sub-Zero, Wolf, and Miele appliances, and motorized blinds throughout. The primary suite offers its own balcony, a generous walk-in closet, and a spa-quality ensuite with heated floors, a heated European towel rack, and custom tile work. Thoughtful touches are found throughout- two full laundry rooms with washer/dryer on both floors for ultimate convenience, abundant closet space in every room, hidden storage in the dining benches, two fireplaces for warmth and ambiance, and three private balconies for fresh air at any moment. Every detail has been curated to elevate daily living while maintaining an effortless flow between form and function. Building amenities include 24/7 door staff, a communal roof deck with sweeping city views, a fully equipped fitness center, and two heated garage parking spaces with two storage spaces included.