Welcome to your opulent 3-bedroom/2.5-bathroom duplex nestled in the prestigious 'Gold Coast' of Lenox Hill on the Upper East Side, commanding breathtaking views down Madison Avenue. Step into the first floor located on the 6th floor, where a spacious entryway and a graceful curved staircase set the tone. Bask in the sunlight streaming through expansive windows in the ample living room, complete with a decorative mantel. Adjacent, the dining room is fitted with custom cabinets, perfect for entertaining. The kitchen is a culinary haven, offering abundant storage with a large pantry, stainless steel appliances, and a breakfast bar. A versatile room completes this level, ideal for a third bedroom, den, or home office. Ascend to the upper level, where two magnificent bedroom suites await. The primary suite epitomizes extravagance, featuring a bespoke dressing area, dual walk-in closets, a luxurious double vanity, and an updated bathroom with a lavish stall shower. The secondary suite mirrors this opulence, boasting its own dressing area and en-suite bathroom. Indulge in modern luxuries such as electric blinds, HVAC systems in every room, and sumptuous hardwood floors throughout. Generous storage solutions abound, including custom-built closets and a dedicated basement storage unit included with the apartment. With access to the hallway and elevators on both floors, this exceptional duplex epitomizes the pinnacle of New York City living. The Colony House, a white-glove cooperative, occupies the coveted southeast corner of Madison Avenue and East 65th Street. Offering an array of amenities including a dedicated doorman/concierge, a tranquil landscaped roof deck, an attentive resident manager, a state-of-the-art gym, and a convenient on-site garage, this residence exudes unparalleled luxury. Conveniently situated near Central Park, renowned boutiques, restaurants, galleries, and major subway lines including 6, F, and Q, The Colony House epitomizes convenience and sophistication.