24-Hour Concierge, Gym, Laundry Room, Bicycle Room, Membership Club including Lounge, Fitness Center & Private Roof Top Lounge & Deck. The historic Greystone brings downtown boutique hotel-style and sensibility to this tony Upper West Side location. The reconfigured floor plans and interiors offer a wide variety of living spaces that maintain the original pre-war design and integrity, yet provide all of the modern convenience for today's living.