Welcome home to this stunning light-filled sanctuary, a magnificent 3,562 square foot duplex penthouse with an additional 1,000 square foot private rooftop terrace ideally situated in the Arcadia, one of the Upper East Side's premier full-service condominiums. Defined by sundrenched and expansive interior spaces, soaring 12-foot ceilings, and dramatic skyline views to the north, south, and east, this sophisticated 5-bedroom, 5.5-bathroom home in the sky has been masterfully designed both for versatile everyday living and elegant entertaining. Enter from the semi-private elevator landing into the loft-like living and dining spaces bathed in extraordinary natural light through walls of showstopping floor-to-ceiling windows. The double corner living room with sweeping views and a stately gas fireplace allows for multiple seating arrangements and flows wonderfully into the large dining room with East River views. Adjacent to the dining room and connected through a wet bar/coffee station, the recently renovated kitchen is flooded with light all day long. Certain to delight the most discerning chef, the kitchen is fitted with custom cabinetry, stone countertops, a center island with seating for four, and premium appliances including Sub-Zero refrigerator and wine cooler, Miele dishwasher, three wall-mounted Wolf ovens (including a steam convection oven and microwave), and Wolf cooktop with vented hood. A south-facing library/media room with ensuite bathroom (which could easily function as a 5th bedroom) and a lovely powder room for guests complete the upper level. Perched above the penthouse is a spectacular private rooftop terrace, featuring breathtaking panoramic vistas to the north and east. With multiple seating and dining areas, irrigation, and an impressive outdoor kitchen with gas grill and three refrigerators, this urban oasis accommodates both intimate gatherings and grand entertaining for up to 100 guests. One flight down the striking architectural staircase are the private quarters, housing four sun-filled bedrooms and a laundry room with a large LG washer and vented dryer. The primary suite offers comfort and tranquility and is highlighted by floor-to-ceiling windows and a huge spa-like windowed corner bathroom with double vanities, oversized soaking tub, glass-enclosed shower, radiant-heated floors, and skyline views north and east. Each of the three additional generously scaled bedrooms boasts well-appointed ensuite bathrooms, two with bathtubs and one with a glass stall shower. Custom millwork, gorgeous wood floors, sound system, enviable custom closets and storage space, and multi-zoned central cooling and heating further distinguish this rare and special offering. Built in 2005 and designed by renowned architect Costas Kondylis, the Arcadia is an exclusive boutique condominium with only 48 residences and an impressive amenity suite. Recently renovated and reimagined, the buildings lobby, hallways and amenities have beautifully transformed. Residents enjoy a 24-hour doorman and concierge, library/entertainment suite with catering kitchen, fitness center, yoga studio, children's playroom, and bicycle storage. Easy access to all modes of transportation and moments from Carl Schurz Park, the East River Esplanade, Gracie Mansion, the finest museums, boutiques, and eateries. Pets under 75 pounds are welcome. Transfer fee is equal to 12 months of common charges. Taxes listed are for primary residents. Must be seen to fully appreciate!