Penthouse Living High Above Park Avenue. Exquisitely designed and renovated by AD 100 Designer Russell Groves, this sprawling 10 room duplex residence spans over 5,200sf of interior space and 700sf of outdoor space spread over four landscaped terraces with stunning views of the NYC skyline, Park Avenue and beyond to Central Park. The meticulous renovation has resulted in an airy open floor plan highlighted by glamourous entertaining spaces including a double-living room, dramatic dining room, & luxurious media lounge. Enhancing the formal spaces are two south facing private terraces off the dining room and living room, that help create the ultimate indoor/outdoor living experience. Adjacent to the dining room is the grand trophy kitchen & breakfast room outfitted with custom Boffi cabinetry, white marble countertops and an expansive island. A chef's dream, the kitchen features top of the line appliances from Miele, Gaggenau, & Subzero including dual ovens, a 6-burner cooktop and multiple dishwashers and wine coolers. A separate bedroom wing on the lower level includes two spacious guest suites overlooking Park Avenue, two travertine finished guest bathrooms and a large laundry room with Miele washer & dryer and additional storage. The private upper level of this magnificent home is accessed via an architecturally significant walnut staircase which leads into the capacious home office & den. Wrapped in bamboo wood and featuring a private bathroom, wet bar, and large terrace, the office is the ultimate work-from-home destination. Completing the upper level is the showstopping primary suite featuring yet another private terrace and perfect views of Park Avenue and beyond. This serene retreat is highlighted by a grand dressing room & dramatic open bathroom with a windowed shower stall and deep soaking tub all of which are accentuated by travertine and walnut finishes. Additional enhancements to this true Five-Star property include a travertine powder room, lucifer reces