The penthouse at 535 West End Avenue is truly a one-of-a-kind home! Perfect home for grand or intimate living and entertaining. With stunning light and panoramic city & Hudson River Views, this spectacular home is spread out over 6500 interior and 1900 exterior square feet. The architectural details include 10" ceilings, wide plank hardwood floors, two gas fireplaces, generously proportioned rooms, and separate staff quarters. Modern finishes, oversized windows, luxurious natural stone bathrooms, Multi-zone central heating and cooling system. Currently configured as 6 bedrooms, 6.5 bathrooms, and a staff room. Arrive on your private elevator landing, and you are swept into this beautiful home. Light and views abound from the large oversized arched windows throughout the apartment. From the main foyer, the large library lies ahead, with two grand picture windows that offer incredible northern views and light. The corner great room is centered on the fireplace and includes the large formal dining area. The Kitchen is a modern marvel with dual workstations, each with separate sinks, stoves, ovens, and dishwashers, as well as an oversized walk-in pantry, and two center islands, and includes a breakfast bar and work space. The informal dining room and den are adjacent to the kitchen, all with incredible river views. The separate bedroom wing with a long hallway leading to the six bedrooms all with great closets & storage and most with their own en-suite bathrooms as well as the laundry & staff bedroom. The primary suite is truly an oasis encompassing the southeastern corner of the apartment, which has three exposures and beautiful river views. Enter the oval gallery where you are led to the large corner bedroom and the full dressing room complete with custom cabinetry storage and closets and built-in windowed make-up area. An exquisite south-facing 6-fixture primary marble bathroom with large soaking tub, dual vanity, as well as a large shower room and w/c with toilet and bidet . And finally, there are additional closets and storage as you enter into the lovely bight and intimate sitting room/office. An elegant staircase and an interior private elevator lead to the fully landscaped roof terrace outfitted with an outdoor kitchen, gas grill, multiple seating areas, and an outdoor fireplace.