Extraordinary Upper West Side Penthouse with Private Outdoor Space Penthouse D at 203 West 90th Street is a distinctive one-bedroom, one-bathroom duplex offering exceptional light, thoughtful design, and a 430-square-foot private terrace. With southern exposures and oversized windows, this light-filled home offers modern updates, and expansive outdoor space. The main level showcases a generous living and dining area with hardwood floors, and a custom staircase with integrated storage. Upstairs, a versatile landing can function as a home office or additional sitting area and leads directly to the private terrace. The terrace creates an exceptional setting for entertaining, dining al fresco, gardening, or simply enjoying your own private oasis above the city. The well-appointed kitchen features granite countertops, custom cabinetry, and stainless steel appliances, including a Sub-Zero refrigerator, Miele dishwasher, and KitchenAid range and microwave. The primary bedroom can accommodate a king-sized bed and features a walk-in closet and additional reach-in closets. The adjacent marble bathroom includes a jetted bathtub with a shower. Additionally, the residence includes individually controlled HVAC units, custom window treatments, and abundant storage throughout. Washer/dryers are permitted in the apartment with board approval. 203 West 90th Street, known as Manhattan Tower, is a well-maintained pre-war condominium with full-service amenities including a 24-hour doorman, live-in superintendent, fitness center, and dedicated staff. Perfectly positioned on a quiet, tree-lined block between Central Park and Riverside Park, the building is surrounded by some of the Upper West Side's best restaurants, cafés, shops, and markets, with convenient access to the 1, 2, 3, B, and C subway lines.