Chicago Shopping: Anchoring the chic north end of Michigan Avenue, The 900 Shops features six levels of shopping at Bloomingdale's, MaxMara, Gucci, Coach, Marina Rinaldi, Ethel's Chocolate Lounge, Preggers, The Silk Trading Co. and 60 other exclusive retailers. Ask for your Exclusively 900 visitor card at the Concierge Desk for special offers, free gift with $100 purchase and complimentary signature shopping bag. Hours: Mon.-Sat. 10am-7pm; Sun. 12pm-6pm.