MAGICAL EAST RIVER PENTHOUSE WITH VIEWS FOR MILES Make shimmering East River and skyline views your daily backdrop in this extraordinary four-bedroom, three-and-a-half-bathroom penthouse duplex featuring designer interiors and two private terraces in a revered Upper East Side cooperative. Perched high above the city, this beautifully renovated 3,400-square-foot residence impresses with chic, gray-stained maple floors, soaring tray ceilings and walls of windows framing iconic vistas. From the gracious entry, the massive great room beckons with southern and eastern outlooks. Enjoy a generous footprint for living and dining areas alongside handsome built-in cabinetry, or head to the 21-foot-long terrace for morning coffee or after-dinner drinks in the sky. The irresistibly stylish open kitchen dazzles with designer red cabinetry, a massive island/breakfast bar and sleek Silestone countertops. Chefs will adore the fleet of upscale stainless steel appliances, including a vented five-burner gas cooktop by Wolf, a convection and gas ovens, a built-in microwave, and a refrigerator and dishwasher by Miele. Down the hallway, double glass-panel doors reveal a secondary suite, ideal as a home office or well-proportioned bedroom, featuring a walk-in closet and an en suite full bathroom with gorgeous glass tile, limestone floors and a Duravit soaking tub/shower. Another secondary suite offers beautiful built-ins and an attached bathroom with a walk-in shower. A powder room, wine room and a laundry room with side-by-side LG washer-dryer and a utility sink complete this well-planned level. Above, you'll find the magazine-worthy owner's retreat anchored by a king-size bedroom with epic views, remote-controlled blackout shades and a custom retractable television cabinet. An enviable dressing area with custom blue lacquer built-ins attends to wardrobe needs, while the exquisite en suite bathroom impresses with a Hydro Pro Aqua Boost Water System shower, a private water closet and separate vanity areas. The home's crowning glory is the 1000sf+ private roof deck, where al fresco dining and lounging are complemented by extensive irrigated landscaping, a gas grill, large screen outdoor Sunbrite TV, and the home's signature southern and eastern vistas. Zoned central HVAC and integrated Sonos sound add comfort and ease to this unrivaled urban sanctuary. Currently configured as a three-bedroom, this home can easily accommodate the addition of a fourth bedroom. 10 East End Avenue is a beautifully maintained postwar cooperative where residents enjoy full-time doorman service, live-in superintendent, an updated fitness facility, glorious roof deck, storage, a bike room and an on-site parking garage. Pets, co-purchasing, gifting, guarantors and up to 70 percent financing permitted with board approval. There is a 2 percent flip tax payable by the buyer. In this phenomenal Upper East Side location, where Yorkville meets Lenox Hill, you're surrounded by glorious waterfront outdoor space at Carl Schurz Park, John Jay Park and the East River Promenade. Fantastic shopping, dining and nightlife venues line the nearby streets, and top-rated schools and medical institutions are just outside your door. Transportation from this special enclave is effortless, with Q and 4/5/6 trains, excellent bus service, including the M79-SBS, CitiBike stations, the FDR and East River crossings all nearby.