One of just 10 unique duplex residences at this address, Duplex 7 offers impressive features including double-height ceilings reaching 21 feet! This special loft-like layout has the feeling of townhouse living, and is graced with almost 300 sq feet of private outdoor space. Enter on the lower level of the residence to a bright foyer and dining area. Located immediately off the foyer is a powder room for guests and a trio of large closets, one of which houses a stacked washer and dryer by Asko. Alongside this closet, the Owners thoughtfully carved out additional space beneath the stairs to create a nook suitable for a sleeping area, office alcove, or customize to use for display or storage. To the left of your dining area is a separate kitchen, equipped with a suite of high-end integrated appliances that blend in seamlessly with chic white lacquer cabinetry. These include a gas stove, oven, and dishwasher by Miele, and a Liebherr refrigerator. The deep sink with a garbage disposal, and generous counters make this kitchen perfect for those who love to cook. As you approach the living room, you will be blown away by the wall of windows reaching 21 feet high that greets you with brilliant natural light. From here you can step out to your private terrace measuring almost 300 additional sq ft! This outdoor space is perfect for entertaining as it is situated along a quiet street and can easily fit an 8+ person dining table while leaving plenty more room to mingle. The terrace has built-in planters to create your vision of paradise or to make your own herb and vegetable garden! Head upstairs to a large bedroom (104" x 156") with a deep reach-in closet and an oversized en-suite bathroom complete with walk-in rain shower, custom vanity with incredible storage, a sizable linen closet, and 15 William's signature deep soaking tub. The upper level gets beautiful light as this area is perched above the living area of the home white enjoys the southeastern exposure from the enormous double-height window. Custom window treatments have been installed. Residents enjoy an unbeatable set of amenities! These include a 15,000 sq ft fitness center complete with yoga studio and squash court, a 50-foot indoor lap pool, sauna and steam rooms, a screening room, playroom, outdoor basketball court and playground, a covered dog park, and a comfortable rooftop lounge with a terrace and amazing views of New York Harbor. In addition to friendly full-time staff and a live-in resident manager, there is refrigerated storage for perishable deliveries as well as on-site parking available. 15 William is conveniently located within a short distance of the shops at Brookfield Place, the charming and historic pubs of Stone Street, the reimagined South Street Seaport District & Pier 17, and all major transit lines. Advertised taxes includes condo property tax abatement.