Event Venues in Rosemont, Illinois

6 venues in Rosemont with published floor plans and capacity charts — 220 bookable event spaces in total.

The largest capacity in Rosemont is 4,000 guests at Hyatt Regency O'Hare Chicago. Every room below lists its dimensions, ceiling height and seated capacity by layout — banquet, theater, classroom and reception — so you can check a space fits before you enquire, then drag your own tables, stage and dance floor onto the plan in 2D or 3D, free.

• Hyatt Regency O'Hare Chicago

  80 rooms · largest space: Grand Ballroom AB, 30,545 sq ft · up to 4,000 guests

  Floor plans & capacities →

• The Westin O'Hare

  48 rooms · largest space: Grand Ballroom, 12,069 sq ft · up to 1,500 guests

  Floor plans & capacities →

• Hilton Rosemont/Chicago O'Hare

  23 rooms · largest space: Grand Ballroom, 7,150 sq ft · up to 825 guests

  Floor plans & capacities →

• Chicago Marriott Suites O'Hare

  9 rooms · largest space: Salons 1, 2 & 3 (Combined), 1,575 sq ft · up to 150 guests

  Floor plans & capacities →

• The Rose Hotel Chicago O’Hare, Tapestry Collection by Hilton

  11 rooms · largest space: Alba Ballroom, 1,656 sq ft · up to 150 guests

  Floor plans & capacities →

• Aloft by Marriott Chicago O'Hare

  6 rooms · largest space: Exchange 1, 750 sq ft · up to 150 guests

  Floor plans & capacities →