Expansive and Glamorous Upper East Side Duplex with Private Outdoor Space Measuring over three thousand 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 condominium 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 eighty-fourth 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 chef's 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 thirty-inch Classic Refrigerator, Wolf six-burner range and oven, Miele dishwasher, and multiple Sub-Zero beverage drawers. The adjoining formal dining room spans nearly eighteen 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 bathroom 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 floorsand sophisticated tile work.Across the landing another generous bedroom with an en-suite bathroom featuring excellent storage completes the upper level.Additional highlights include hammered metal sinks curated architectural lighting City Quiet Windows in bedrooms; generous pantry;and multiple walk-in closets.401 East eighty-fourth Street offersthe convenience of full-time staffand resident manager pairedwitha collectionof amenities—allwith no additional amenity fees.Residents enjoy arooftop deck fitness center laundry facilities children's playroomandversatile eventspace.The lobbywas newlyupdatedas well.The Dunhill all moments fromthe Q train theneighborhood's dining scene Carl Schurz Park,andtop-rated privateand public schools.Note: Buyer responsibleforareserve fund contributionequalto three months of common charges due at purchase application submission.This sale uniquelyincludes ownershipof fourprivate storage units.