Welcome to Residence 23K at One Carnegie Hill, where luxury, comfort, and convenience come together in this spacious 536-square-foot L-shaped alcove studio. A rare offering, the smart layout features a dedicated sleeping alcove, allowing for a generous living room and dining area, a full-size kitchen, in-unit Miele washer/dryer, and excellent closet space. The apartment is in excellent condition, making it ideal as a primary residence, pied-à-terre, or investment property. One Carnegie Hill offers exceptional ownership flexibility, with a liberal sublet policy and no interview required. Pied-à-terres, investors, co-purchasing, and gifting are all permitted, making this an especially attractive opportunity. Residents enjoy a full suite of white-glove amenities and a highly attentive staff, including a full-time doorman and concierge. The building features a large, fully equipped fitness center with state-of-the-art equipment, an indoor swimming pool, locker rooms with saunas, a Pilates room, and an aerobics studio. Outdoor spaces are equally impressive, highlighted by a beautifully landscaped, south-facing roof deck, a reservable rooftop party room with terrace, and a third-floor garden with BBQ areas. Additional conveniences include indoor and outdoor children’s play areas, a business center, pet spa, ATM, and on-site parking garage. Perfectly located just one block from the 6 train and directly across from the Q train (Second Avenue Subway), with Whole Foods, neighborhood dining, shopping, and everyday conveniences moments away. Situated in the heart of the Upper East Side, one of Manhattan’s most desirable neighborhoods, known for its culture, history, and exceptional quality of life. A wonderful opportunity to own a well-designed home in a premier full-service building. Photos are virtually staged.