Introducing a masterpiece of modern living, meticulously designed by renowned architect Francis D'Apostrophe in 2023. This chic, sophisticated sanctuary epitomizes contemporary elegance and offers a seamless indoor-outdoor lifestyle with skyline views from every angle. Natural light floods interior spaces, illuminating an open living and dining area that flows effortlessly into a sleek kitchen. A shared wall of glass dissolves boundaries, and an expansive 1,500-square-foot wraparound terrace facilitates unparalleled entertaining possibilities. The living and dining area are spectacular, featuring two exposures and sliding glass doors that connect to the terrace. The living room has custom built-ins, while the dining room features an accordion custom screen that can be expanded for more intimate dining or retracted for a spacious feel. The Bilotta kitchen has Calacatta Gold marble countertops and a complete Miele appliance package. It is also equipped with bi-fold windows that open to the terrace, creating the ultimate outdoor entertaining experience. Just off the living area is a glamorous den with shimmering custom walls and a built-in entertainment center with an integrated flatscreen TV. A marble guest bath completes the living area. A separate wing houses four sun-drenched bedrooms and bathrooms, each adorned with custom closets. The oversized primary bedroom commands stunning city views and is complemented by extensive closets and storage solutions. The primary bath has Dornbracht fixtures, a steam shower, a Jacuzzi tub, and heated floors. This home features only the most special, unique, and high-end materials including Dinesen wide plank flooring and frameless interior doors by Viva Porte. State-of-the-art technology includes iPads that control Lutron lighting, Sonos speakers, heating and cooling, video security and motorized shades. There are double-paned soundproof windows throughout the apartment. Enjoy the convenience of a private elevator in a custom-designed vestibule, a separate entrance to the house with well thought out closets and a hidden washer and dryer. This extraordinary 4-bedroom, 4.5-bathroom residence redefines urban living, offering a rare blend of sophistication, tranquility and technological innovation. Experience the pinnacle of indoor-outdoor luxury, with every detail thoughtfully considered in the heart of the Upper East Side. Please note, the owner also has a one-bedroom for sale in the building.