Beautifully designed and meticulously appointed with the highest quality materials and finishes, this expansive approx. 4400SF residence with 3 balconies totaling 330SF has the grand appeal of a suburban mansion. Located in an amenity-driven building with its circular driveway, on-site garage, fitness room, tennis courts, childrens playroom and more, this high-floor 10-room one-of-a-kind home offers the ultimate in Upper East Side luxury living. The home boasts panoramic East River vistas and glistens with light from 4 exposures. Imbued with a prewar elegance, the well-proportioned floor plan flows perfectly from room-to-room. The magnificent foyer opens into a gracious corner living room with a wet bar with both wine and beverage refrigeration and has a sun-filled south/east balcony. Glass paneled pocket doors open into the formal dining room with stunning East River views. French doors reveal the family room with media cabinetry and a lovely breakfast area. Music fills the home with a Sonos sound system. The top-of-the-line windowed chefs kitchen includes double Thermador ovens, cooktop, Sub-Zero refrigerator, 2 sink areas, custom cabinets and granite counters. The executive mahogany library has a built-in desk and a north/east balcony. The master suite boasts dressing room hallway, windowed vanity, corner master bedroom with a sitting area, sumptuous spa bath with Jacuzzi, steam shower and double sinks. A separate hallway leads to the childrens wing. This wing includes 2 spacious bedrooms, one with a corner balcony, 2 full baths, staff bedroom, laundry room and closets galore. The foyer also includes a powder room and leads to the recreation room/guest suite with a second kitchen and a full bath. A short distance to the new Q train with access to all transportation, Asphalt Green aquatics/sport center and the East River Esplanade. A rare opportunity.