Rarely available and flooded with natural light, this expansive five-room Upper East Side residence combines grand-scale entertaining, elegant proportions, and exceptional flexibility on one of the neighborhood's most beautiful tree-lined streets. With east and west exposures, oversized rooms, and a thoughtfully designed split-bedroom layout, the home offers both sophistication and comfort in equal measure. A gracious foyer opens into an expansive gallery that sets the tone for this beautifully proportioned home. The grand living room is ideal for entertaining on a large scale, while the formal dining room offers remarkable flexibility as a den, guest room, or home office. The windowed chef's kitchen is both refined and highly functional, featuring white marble countertops, abundant custom cabinetry, under-cabinet lighting, garbage disposal, BlueStar range, Bosch dishwasher, KitchenAid refrigerator, and an under-counter wine refrigerator - perfectly designed for both everyday living and elegant entertaining. Privately situated in separate wings, both oversized bedrooms offer exceptional scale and privacy, each complemented by an elegant designer bath appointed with fixtures by Kohler, Villeroy & Boch, and Gerber. Additional highlights include richly stained parquet floors, central heat and air conditioning, an in-unit Miele washer/dryer, eight custom closets including a large walk-in, designer shutters, and expansive wall space ideal for displaying art collections. Designed by renowned architect Horace Ginsbern and constructed in 1960, this distinguished sixteen-story cooperative blends timeless mid-century character with modern convenience. Residents enjoy a full suite of amenities including 24-hour door staff, live-in superintendent, fitness center, residents' lounge, central laundry room, bicycle storage, private storage, on-site parking garage, and a pet-friendly policy. Recognized as one of the city's premier land-lease cooperatives, the building offers unusual flexibility for Manhattan ownership, permitting pieds-à-terre, co-purchasing, gifting, international buyers, parents purchasing for children, and a reasonable sublet policy. Perfectly positioned moments from Central Park, world-class shopping, fine dining, and the very best of Upper East Side living, this exceptional home offers scale, light, flexibility, and enduring value in one of Manhattan's most desirable neighborhoods. Please There is an ongoing assessment of $1,870.05/mo.