Spectacular 15-Room Duplex Apartment in the Upper East Side. This meticulously renovated Hottenroth designed home boasts 6 bedrooms and 5.5 bathrooms, including two Master Suites- one on each floor. The gracious limestone Entry Foyer with elegant prewar details welcomes you to a grand staircase and a sun filled formal Living Room and Dining Room. Conveniently located off the Entry Foyer is a large Family Mudroom with stone floors, beautiful millwork and custom cabinetry providing ample and efficient storage. The large Chef's Kitchen features Christopher Peacock custom cabinetry, a large center island with honed white Calcutta gold marble counter tops, a Viking six-burner stove with double ovens and a grill, Sub-Zero refrigerator and additional Sub-Zero refrigerator and freezer drawers, a 147 bottle wine chiller as well as a secured liquor cabinet designed for entertaining.  The spacious and sunny eat-in Kitchen also features a flat screen TV and a Family Command Center with integrated mail, phone, computer, printer, chalkboard, white board and bulletin board area. The Kitchen opens directly onto the Family Room which has a full bath and could be used as an additional Bedroom. The Billiards Room is equipped with three built-in flat screen TVs, surround sound, a pool table, lounge area, refrigerator, wine chiller and Miele dishwasher and leads to the private Home Gym with Cybex weight training equipment, treadmill and elliptical machines. The large Office / Study Room opens onto an additional children's playroom or entertaining area. The second floor Master suite has a private sitting room, dressing room and large Master Bathroom with spa tub, large rain shower and custom marble vanity with double sinks. This sophisticated and expansive Apartment features a flexible floor plan with a top of the line Crestron system, Lutron lighting system, telephone intercom system and home security camera system that allows you to control both floors at your fingertips while each room has independently controlled temperature thermostats. Other features include quarter sawn solid oak flooring, plaster crown moldings, wainscoting, Nanz Hardware, Waterworks fixtures, sound proof windows with UV protection for fine art, 10 integrated flat screen TVs, and a large walk-in storage room with custom cabinetry, padded silverware drawers and linen storage. Private Washer / Dryer within the apartment and additional laundry room on the floor. Breathtaking roof terrace offers 360 degree views. In addition, this apartment offers a rare opportunity to own a private, indoor Parking Space with direct elevator access. 200 E. 84th Street is a Full-Service Doorman Building conveniently located close to shopping, schools and public transportation.