Welcome to the pinnacle of luxury: a one-of-a-kind penthouse spanning three floors of the premier north-east corner at the The Ronsley. Flooded with natural light, floor-to-ceiling windows and custom luxury finishes, this 5 bedroom 5.1 bathroom home encompasses over 4800 feet interior and three expansive outdoor spaces. Timeless and sophisticated, the living/dining/entertaining area showcases an impressive chef's kitchen with Lacanche, Sub-Zero and Bosche appliances, custom wet bar and 400 SQFT terrace perfect for entertaining. The first level primary suite provides a serene escape with a generous sitting area, two walk-in closets, direct terrace access and spa-quality bathroom with heated floors, steam shower, jacuzzi tub and Toto outfitted water closet. The second level offers three private bedrooms with ensuite bathrooms, a grand family / play room as well as full-sized laundry room and plenty of extra storage throughout. Take the private elevator from the foyer to your third level entertainer's dream. A generous size fifth bedroom and full bathroom sits just inside the third and most impressive outdoor space spanning 1500 SQFT with putting green and potential to add your own private pool overlooking the iconic Chicago skyline. Don't miss this rare opportunity to own the premier unit at the esteemed Ronsley building. Professionally designed by Chicago-based interior design firm - Nelson Collective.