A stunning residence in the sky, Penthouse A offers four bedrooms, three exposures, an intimate library, a solarium with a fireplace leading to a private corner terrace with an outdoor kitchen and fireplace. With a 5,900 square-foot interior and nearly 800 square feet of exterior space, Penthouse A abounds with fine finishes and features throughout including walnut wide plank flooring, over 12’ ceilings, floor-to-ceiling windows and a grand corner great room with a travertine fireplace offering picturesque views of the Hudson River. The custom eat-in Scavolini kitchen designed by Jeffery Beers for One West End features Dornbracht fixtures, walnut cabinets with champagne matte glass panels, and Calacatta Borghini marble on the waterfall edge countertops, backsplash, and cabinetry framing. Appliances include a Wolf cooktop, range, and two ovens, a Sub-Zero refrigerator and wine refrigerator and two Miele dishwashers. A built-in coffee system by Miele, a baking station, and a bar station would please even the most discerning chef. The oversized master suite enjoys two oversized dressing rooms, a morning kitchen, and two ensuite baths outfitted with heated Bianco Dolomiti marble floors, brushed limestone walls and a marble slab countertop. Recessed medicine cabinets with LED lighting, a soaking tub, a glass-enclosed shower and Dornbracht fixtures add to the resort-inspired experience. Each secondary bedroom is complete with floor-to-ceiling windows a large walk-in closet and an ensuite bath containing Opal White radiant heated marble floors and walls, custom-stained oak vanity with a Lacava countertop and Dornbracht fixtures. The striking powder room features a Calacatta Fabricotti custom stone vanity with a carved stone sink, an Eramosa marble floor and an accent wall in a herringbone pattern inlay. Additional features include: Utility room with W/D, year-round zoned temperature control via a 4-pipe fan coil HVAC system, and pathways for future connections of electronically controlled solar shades.