Penthouse 11 at Gracie Green is the crown jewel of the building - a full-floor Upper East Side penthouse offering exceptional privacy, scale, and over 1,100 square feet of private outdoor space, including a private rooftop with rare East River views. A private keyed elevator opens directly into the residence, revealing a gracious layout designed for both refined living and entertaining. Oversized windows flood the home with natural light and open city and river vistas. Nearly 10-foot ceilings, wide-plank oak floors, and elegant proportions create a calm, elevated atmosphere throughout. The open chef's kitchen is finished with honed marble, custom lacquer cabinetry, and a premium appliance suite by Sub-Zero, Miele, and Wolf. The primary suite offers direct outdoor access, a walk-in closet, and a spa-like bath with soaking tub, glass shower, and double vanity. Three additional bedrooms, multiple bathrooms, a flexible powder room, and in-unit laundry complete the home. Above it all, the private rooftop is a true Upper East Side rarity - ideal for dining, lounging, and entertaining with open-sky exposure and East River views. Located at Gracie Green, 427 East 90th Street, this boutique new development is moments from Carl Schurz Park, the East River promenade, Asphalt Green, and Gracie Mansion. Building amenities include an attended lobby, fitness center, children's playroom, private storage, bike room, and resident lounge. Convenient to top private schools, multiple parking garages, Whole Foods, Fairway, the Second Avenue dining scene, the 92nd Street Y, and the 4/5/6 and Q trains. The complete offering terms are in an offering plan available from sponsor. File No. CD18-0286