This private Tower Duplex residence is two-full floors high at the top of the acclaimed River House Cooperative with breathtaking panoramic city and river views. Palatial luxury best describes the exquisitely traditional home with grand proportions, high ceilings, beautifully designed wood flooring and full height windows.     First Level: The Private Elevator Hall opens to a double-height Entrance Gallery featuring a sweeping staircase. The regal 45 ft long Grand Salon with wood-burning fireplace looks directly to the East River through multiple picture windows. Through the full-height double doors is a dramatic corner Banquet Dining Room. A stunning custom paneled Library with wood burning fireplace and Butler's Bar is a retreat and intimate setting. The private corner office provides open city views and the Chef's Eat-in Kitchen and Pantry are well equipped with state-of-the-art appliances. A Powder room, multiple Staff Rooms and Laundry complete the Lower Level.     Second level: The Upper floor is composed of four separate multi-room wings and accessed by the staircase and the main Elevator. The Master Suite is comprised of a corner Bedroom with a wood-burning fireplace, a large Media/Sitting Room  and a marble en-suite Bathroom with Dressing Room. The three additional Bedroom Wings include 5/6 bedrooms with Baths and multiple closets. The entire second level offers the same spectacular 360 degree views as the entertainment level.     This baronial home strikes an unparalleled  balance of opulence and refinement in an exceptional setting for grand entertaining and comfortable living.     Towering above the East River, the renowned 26 story River House Cooperative is a grand and gracious enclave situated at the end of a quiet cul-de-sac with an ornately gated and large cobbled-stone Palazzo styled courtyard. Multiple doormen, lobby attendants and concierge provide immediate service and security at all times. The renowned in-house River Club, which owners are invited to join, offers a ballroom, exercise room, pool, tennis, and squash courts, with activities for all ages, as well as an elegant restaurant. Guest rooms available. Co-exclusive