Located in one of Rosario Candela's finest Park Avenue cooperatives, this spectacular duplex apartment is situated in what is arguably the most prestigious residential address in New York City. The grand-scale home features meticulous renovations which blend its traditional pre-war style with all the luxuries you need for modern living and entertaining. Enter the home through a private elevator landing which opens to a stunning gallery with 11-foot ceilings, beautiful marble floors, and a sweeping curved staircase with original banister. The first floor is comprised of a suite of entertaining rooms, all of which feature wood-burning fireplaces with marble mantels, including an enormous 800-square-foot living room with four oversized windows across 34 linear feet of Park Avenue frontage, a wood-paneled library with wet bar and three additional Park Avenue-facing windows, as well as a magnificent formal dining room. There is also a large powder room for guests. The first floor is also endowed with a substantial windowed kitchen equipped with a center island, storage pantry, and a large breakfast room. Top-of-the-line appliances include two Sub-Zero refrigerators, two Miele dishwashers, a large Viking stove, and a wine refrigerator. A maid's room, laundry room, and full bathroom complete this level. The top floor of the home consists of a sprawling master suite, three additional bedrooms all with en-suite bathrooms, and a large den/media room. The well-appointed master suite enjoys walk-in closets galore, a wood-burning fireplace, study, dressing room, and a pair of full en-suite marble bathrooms. Interior upgrades include beautiful hardwood floors, restored crown moldings, state-of-the-art lighting, central air, and sound systems. 740 Park Avenue is an Art Deco architectural masterpiece constructed in 1929 by James T. Lee, the grandfather of Jacqueline Kennedy Onassis, and designed by renowned architect Rosario Candela with Arthur Loomis Harmon. The building is one of New York City's premier white glove cooperatives with an exceptional full-service staff, fitness center, and private storage. This is a truly unique opportunity to own a remarkable residence in one of the most sought-after addresses in the world. There is a 3% transfer fee paid by buyer. *Bedrooms are virtually staged.