Indulge in pure luxury in the Gold Coast's most sought after building - No. 9 Walton. This 4-bedroom, 3.5 bath, 4,775 square foot home has the best seat in the house! Floor to ceiling windows throughout provide breathtaking views of Chicago's lakefront as well as our beautiful city. No detail was spared in the luxe gourmet kitchen featuring custom O'Brien Harris cabinetry, 12-foot kitchen island, polished iceberg quartzite countertops, one-of-a-kind stainless steel pot & pan locker, and massive walk-in pantry. The kitchen is open to a gracious living room with a beautiful double-sided fireplace and access to the expansive heated terrace. Luxurious master bedroom features a sitting room with access to the terrace and TWO huge HIS & HER master closets outfitted with custom cabinetry. Master bath features an oversized rain shower, luxurious soaking tub that boasts beautiful city views & radiant heated floors. 2nd and 3rd bedrooms have en-suite bathrooms and a huge 4th bedroom allows versatility to serve as a media room or in-home gym. The office is complete with stunning steel & glass custom doors, a gorgeous Dual fireplace, custom built-in O'Brien Harris bar, desk, and shelving. This home has a large laundry room and tons of custom storage space. Five-star services and amenities include 24-hour staff, valet, house car, indoor pool, 2-story exercise facility, golf simulator, dining room with catering kitchen, bar and terrace, 2 guest suites, indoor/outdoor pet area & wine storage. 3 Valet Parking spaces included in price. Take a 3D Tour, CLICK on the 3D BUTTON & Walk Around or TAKE A VIDEO Tour by Clicking on the Top Left Video button. It's Magnificent!!!