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Rooftop Lounge

​At I O Rooftop Lounge our 4th floor encompasses approximately 15,000 square feet of indoor and outdoor space, with 10,000 square feet meeting and event space perfect for receptions for 750. Plan a glamorous cocktail party in I O, with panoramic views of the Chicago skyline and intimate spaces for relaxing and socializing.

Capacity Chart

Rooftop Lounge