Bright, elegant, 4,000 square foot, full-floor, four bed/4.1 bath unit located in one of Chicago's most prestigious Lake Shore Drive co-op buildings. Unit features breathtaking 360-degree views of Lake Michigan and the cityscape. Expansive, comfortable living spaces including a large living room with fireplace, library and formal dining room all with views of the lake and shoreline, a warm family room, huge kitchen with breakfast nook and butler pantry. Master bedroom suite includes dual en suite baths and dressing areas. One of four bedrooms currently used as a study with en suite bath. Unit also includes private elevator entrance, gracious foyer, hardwood floors throughout, dual-zoned central air conditioning and in-unit laundry room with soaking sink. Building amenities include attentive 24-hour door staff, building engineer, onsite manager and separate storage room. 1 dog or cat permitted (no weight limit).