For sale: $17,995,000. Crafted by the visionary design firm, Roman & Williams, this sprawling corner 7-bedroom, 8.5-bathroom duplex residence at the Aldyn offers every element and comfort for a truly refined urban lifestyle. Renown for their understated, glamorous design sensibility, the firm's work is distinguished by unexpected use of materials, textures and bespoke fixtures for a style that is singular and distinctly contemporary. With its 1,730 sq. ft. wraparound terrace and grand glass-walled open spaces, the residence is a perfect setting for elegant entertaining against the magnificent backdrop of the Manhattan skyline, George Washington Bridge and the Hudson River. The gracious layout, glass walls and palette of finishes have been conceived to optimize light and views while the fixtures and amenities have been carefully curated and custom-designed for the ultimate in both visual form and function. As one enters the first level of the residence, they are greeted by an elegant entrance foyer leading to a loft-like sweeping living room with double-height ceilings, walls of floor-to-ceiling windows and entrance to an expansive entertaining terrace. Off the living room, the sprawling island kitchen/entertaining lounge also opens to the terrace and enjoys magnificent light and river views. It has been outfitted with the finest warm teak cabinetry, Blizzard Quartzite countertops with Caldia Marble chef block, built-in stainless steel dish racks and paneled premium appliances from Smeg and Miele. Three of seven bedrooms, all with ensuite bathrooms and generous closet space, are located on this level. The sumptuous master bedroom suite is located on the second level of the residence and has a teak-wrapped master bathroom with Zuma deep soaking tub and separate glass shower, Bianco Dolomite marble double vanity and floors. It includes several large walk-in closets, a secondary bathroom as well as an expansive dressing room. Also on this floor are three bedrooms, all with ensuite bathrooms and generous walk-in-closets. All secondary bathrooms are outfitted with custom crackle porcelain and glass tile. The Aldyn is the ultra-luxury full-service 40-story building situated in one of the finest Upper West Side enclaves by the river. Among many world-class amenities are Abigail Michaels concierge service, Roman & Williams' designed lobby and lounge, children's indoor playground by Kidville, entertainment room with catering kitchen as well as an expansive private landscaped court designed by Mathews Nielsen. La Palestra Athletic Club and Spa at The Aldyn offers 40,000 square feet of amenities and services including a 75 foot indoor pool, spa, 38 foot rock climbing wall, golf simulator, basketball and squash courts, bowling alley, club lounge, yoga, Pilates and Kinesis rooms. There are separate men's and women's locker rooms as well as sauna and steam. Personal training services are available upon request. On-site parking garage and Riverside South Shuttle service are available for residents of The Aldyn.