Discover the amenities, experiences, and people at Aon Center. Conveniently accessible to Millennium Park, public transportation, the city’s pedway and bike paths, as well as retail, restaurants, and shopping hotspots, Aon Center is the ideal location for corporate and progressive tenants alike. Towering 83 stories above Millennium Park, Aon Center features a luxurious, full floor, amenity area called “Cloud Level,” the highest amenity space in the city. Cloud Level includes a fully staffed 16,000 square foot fitness center with spacious locker rooms, a club-like tenant lounge and a plethora of conference spaces for tenants to choose from. Love where you work!