Penthouse C: Ideal for an art connoisseur, this four-bedroom duplex residence features a forty-foot-long gallery-like living/dining room with ample wall space, an expansive east-facing terrace, and a corner master suite. Penthouse C: Ideal for an art connoisseur, this four-bedroom duplex residence features a forty-foot-long gallery-like living/dining room with ample wall space, an expansive east-facing terrace, and a corner master suite. Penthouse C: Ideal for an art connoisseur, this four-bedroom duplex residence features a forty-foot-long gallery-like living/dining room with ample wall space, an expansive east-facing terrace, and a corner master suite. Penthouse C Stair Detail Penthouse A: Flooded with afternoon light and enjoying panoramic Hudson River views, this three-bedroom, single-story corner residence is distinguished by three exposures and a fully landscaped 3500-square-foot wraparound terrace. Penthouse B: At 5,600 square feet the Sterling Mason’s largest residence, this six-bedroom duplex enjoys classic Tribeca views to the north and east, and a showplace great room opening onto a wraparound terrace. North and East Views from Penthouse B.