Enjoy an incomparable standard of living, unlike anywhere else in New York, in one of the city's most exquisitely-designed buildings, directly across from Central Park! This one-of-a-kind, grand-scaled & completely renovated luxury residence in historic landmarked Manhattan Valley provides the best of all worlds: the proportion & privacy of a true home; the superior amenities of a full-service condominium; and prized outdoor space with a huge 775 sq ft courtyard. The expansive layout is unparalleled & flexible to suit your needs, configurable with 3 or 4 bedrooms, 4 full baths, and exceptional formal & intimate living spaces. An impressive entry gallery welcomes you into an ambiance of the highest caliber graced by soaring 13' ceilings, custom moldings, oversized windows, abundant natural light, refinished oak ebonized floors, new light fixtures, custom drapes, a custom marble wood-burning functioning fireplace & top-quality finishes at every turn. Wires speakers in every room & state-of-the-art central air & Crestron audio-visual systems optimize your comfort. Circular in design, the incredible, totally unique open-concept living/dining room boasting 1100+ sf & a 37' diameter is a host's dream setting. Spill out to the fabulous private courtyard (which can also be accessed by the library & master suite) for seamless indoor entertaining. The phenomenal eat-in kitchen is equipped for the discerning chef with premium-grade stainless steel appliances including double wall ovens, a 5-burner stovetop, built-in convection microwave, wine fridge & Miele dishwasher. The adjacent sun-bathed breakfast/dining area is perfect for coffee & casual fare. The bedroom wing is highlighted by a spectacular circular master suite presenting 2 generously-sized dressing rooms with fitted walk-in closets, and an opulent spa bath offering dual marble vanities, a deep freestanding Waterworks soaking tub & big walk-in shower. The spacious 2nd & 3rd bedrooms are also en-suite with marble bathrooms & ample closet space. The large library, enriched by floor-to-ceiling built-ins, can serve as a 4th bedroom if desired, with its own doors out to the courtyard. A stunning adjacent full bath & full-size laundry room complete this superlative home. Built in 1884, "The Castle" sits at the northwest corner of Central Park West. Its distinctive landmark base was restored in 2004 & redeveloped with a 26-story tower add-on. Amenities include a 24-hour doorman, concierge service, a live-in super, Landmark Club & Spa with a health club & pool, business center, valet parking garage, children's playroom, wine storage, bike room & landscaped garden. Right nearby is Whole Foods, Gristedes, great restaurants & numerous transportation options like the B & C trains at 103rd St. and M10, M7 & M116 buses at your front door.