Expansive and Glamorous UES Duplex with Private Outdoor Space Measuring over 3,000 interior square feet and boasting an unbelievable five private outdoor spaces, this sensational duplex combines the scale of a townhouse with the light, views, and elevation of a high-floor home on the Upper East Side-housed in an impeccably run full-service condo with amenities. Every room opens to greenery or skyline vistas. Balconies extend from each bedroom, with additional terraces off the living and dining rooms-rare in any Manhattan residence. To the west, tree-lined 84th Street offers a glimpse of the Park. The main level is designed for entertaining, with fluid transitions that define the living, dining, lounge, and kitchen spaces while preserving an airy, loft-like openness. Light and views flow poetically across the rooms and out to multiple terraces-ideal for relaxing in the sun or grilling. At the heart of the home, the chefs kitchen is anchored by an oversized L-shaped island with seating for six, complemented by a banquette dining nook. Dark-stained cabinetry with stainless-steel accents conceals an appliance garage, built-in spice rack, and abundant storage. Appliances include a Sub-Zero 30" Classic Refrigerator, Wolf six-burner range and oven, Miele dishwasher, and multiple Sub-Zero beverage drawers. The adjoining formal dining room spans nearly 18 feet and opens to a balcony with an electric grill. With space for large gatherings and two Sub-Zero wine refrigerators, the main level was designed for entertaining. Completing this level is a secondary suite generous enough to rival many primaries. This flexible suite includes a home office with built-ins and a spacious guest bedroom or alternative primary with sitting area. The floor also features a discreet powder room and an additional bedroom with a full bath and dressing room. A dramatic floating staircase with a sculptural steel railing anchors the living space and leads gracefully to the upper level, basking in double-height city views. On the upper landing, a built-in desk for two, bathed in natural light, serves as a central home office hub, while a proper laundry closet with a Miele washer/dryer and shelving adds convenience. The primary suite is a private sanctuary of exceptional scale, framed by a terrace and a windowed seating area that invites slower starts to the day-perfect for coffee, reading, or even a light-filled mini gym or lounge. Expansive custom storage, including a walk-in closet, enhances both functionality and elegance. Two full bathrooms complete this retreat, a rare luxury in any home. One offers a Jacuzzi soaking tub and glass stall shower set beside a large window overlooking the city. The second features a walk-in shower and generous counter space. Both include radiant heated floors and sophisticated tilework. Across the landing, another generous bedroom with a windowed en-suite bathroom and excellent storage completes the upper level. Additional highlights include hammered metal sinks, curated architectural lighting, City Quiet Windows in the bedrooms, a generous pantry, and multiple walk-in closets. 401 East 84th Street offers the convenience of a full-time staff and resident manager, paired with a collection of amenities- all with no additional amenity fees. Residents enjoy a rooftop deck, fitness center, laundry facilities, childrens playroom, and a versatile event space. The lobby was newly updated as well. The Dunhill all moments from the Q train, the neighborhoods dining scene, Carl Schurz Park, and top-rated private and public schools. Note: Buyer responsible for a reserve fund contribution equal to three months of common charges, due at purchase application submission. This sale uniquely includes ownership of 4 private storage units.