This expansive penthouse offers four exposures, five bedrooms, three full baths, powder room, central air conditioning, private laundry, open views, phenomenal light, and exceptional flexibility for modern living. With more than 4,000' of interior space and approximately 1,500' of private terraces, the possibilities are endless. . A key locked elevator opens to a private landing and welcomes you to a broad forty-foot wide living room with working wood-burning fireplace, eleven foot beamed ceilings and enormous picture windows framing the iconic Manhattan skyline. The large windowed chef's kitchen is fully equipped with custom cabinets, stone counters, professional-grade stainless steel appliances and externally vented hood. The adjacent media room is the perfect place for guests to lounge, or kids to play, while preparing meals. Four large bedrooms are found on the main level, one of which is currently used as an office with an enormous skylight and its own kitchen. A centerpiece of the living area is a sculptural curved staircase leading to the upper penthouse level, currently configured as a sun filled primary suite with direct access to a fully irrigated private roof terrace offering sweeping city views and multiple seating areas. Built in 1912 and converted to a cooperative in 1981, the steel and concrete building offers a dramatic lobby, key locked passenger elevator, separate freight elevator, full-time superintendent, and Butterfly virtual doorman system offering remote access for guests and packages. . Located just off Park Avenue South, moments from Madison Square Park, Eataly, Michelin-rated dining, shopping, and all major transportation.