This exceptional high-floor residence at 784 Park Avenue seamlessly blends timeless pre-war elegance with sophisticated contemporary design. Meticulously renovated to the highest standards, this sun-filled corner home offers grand-scale living, refined finishes, and state-of-the-art technology in one of Park Avenue's most coveted white-glove cooperatives. A private elevator landing opens into a dramatic 16-foot formal gallery that sets the tone for the home's gracious proportions and impeccable craftsmanship. Bathed in natural light from south, west, and north exposures, the expansive entertaining spaces feature open city views stretching toward Central Park. The elegant living room is anchored by a custom bar and HearthCabinet ventless fireplace, while the formal dining room provides an ideal setting for both intimate dinners and large-scale entertaining. The windowed eat-in chef's kitchen has been beautifully appointed with custom white lacquer cabinetry, glass countertops, and top-of-the-line Sub-Zero and Miele appliances, including dual wine refrigerators and a separate ice maker. A built-in banquette comfortably accommodates six, while oversized south-facing windows frame views of Billionaires' Row and Central Park South. The luxurious primary suite occupies its own private wing and enjoys six oversized windows overlooking the landmarked townhouses of East 74th Street. This serene retreat features dual custom walk-in closets, extensive built-ins, an adjacent dressing room, and a spa-inspired marble bath. Two additional bedroom suites each offer custom cabinetry, generous closet space, and beautifully renovated windowed baths with radiant heated floors. Every detail of the home has been thoughtfully curated, including custom millwork, recessed lighting, new windows throughout, a fully integrated Savant smart-home system controlling climate, lighting, shades, and sound, as well as a whole-home humidification system designed to preserve fine art and furnishings. Originally built in 1930 by renowned architect Emery Roth in collaboration with McKim, Mead & White, 784 Park Avenue is one of the Upper East Side's premier full-service cooperatives, offering white-glove amenities including a 24-hour doorman, fitness center, landscaped courtyard, bike room, laundry facilities, and private storage. Pets and pied-à-terre ownership are permitted with board approval. 60% financing is allowed and there is a 2% transfer fee. Available fully furnished.