A Rare Penthouse Sanctuary with an Expansive Private Terrace Perched atop a classic Upper East Side cooperative, Penthouse A at 225 East 79th Street is a grand, light-filled three-bedroom, three-bathroom duplex offering over 1,000 square feet of private outdoor wrap-around space and a layout that seamlessly blends prewar elegance with contemporary comfort. From the moment you step into the private elevator landing, this home exudes exclusivity. The main level unfolds into a dramatic living room with a wood-burning fireplace and direct access to one of two private roof terraces – perfect for sun-drenched mornings or elegant evening entertaining. The formal dining room, also with a fireplace, connects to a stunningly spacious terrace – an outdoor space rarely found in the city, ideal for hosting, gardening, or simply unwinding under the skyline. The adjacent eat-in kitchen features premium appliances, ample storage, and a warm, functional design. Skylights throughout the den and kitchen fill the home with natural light all day long. The primary suite is tucked away in its own wing, complete with dual walk-in closets, a spa-like bath, and private terrace access, creating a true retreat in the sky. A cozy office nook and a flexible den complete the main level, while the lower level offers two additional bedrooms, a full bath, and ample closet space, offering privacy and comfort for guests or family. Highlights include: Over 1,303 SF of private outdoor space across two terraces 2200 Sq foot inside space Two wood-burning fireplaces Private elevator landing Skylit den and windowed home office Washer/dryer in-unit Full-service, pet-friendly building Located in the heart of the Upper East Side with easy access to Central Park, top dining, museums, and transportation, this rare penthouse delivers the indoor-outdoor lifestyle most only dream of.