Elegance defined in this State-of-the-Art Penthouse Duplex located in a boutique condominium building in the heart of the Upper East Side.  The apartment has been meticulously designed by D Aquino Monaco and features two fireplaces, separate north and south facing terraces, and exudes a truly gracious home atmosphere. There are 4 large bedrooms, windowed sitting room/nanny room, and 3.5 marble bathrooms. The elevator opens directly into the apartment's foyer protected by a Locknetics door with 1,000lbs of magnetic pressure.The incredibly designed living room was just recently renovated and features a wet bar made of Calacatta marble and limitless storage space designed seamlessly throughout the room.  Accent lighting, Vintage Venini light fixtures and custom wood finishes give an air of charm and character to the room.  The apartment has beautiful mahogany wood floors throughout and oversized windows.  The chef's kitchen is state of the art with Miele, Gaggenau and Sub Zero appliances.  Each bathroom is outfitted with Lefroy Brooks fixtures and Ann Sacks tiles.  There are 4 central air zones throughout the home and each double-pane window and door is connected to a state of the art security system creating an incredibly quiet and secure home.  The windowed master bathroom has heated marble floors and a Toto Neorest toilet. The two spacious terraces provide open north and south city views that bathe the rooms in light. This full-service building features 24-hour doorman, private storage, fitness room and playroom. Approximately 4,000 sqft including the exterior space.