# Chicago Marriott Dtwn Magnificent Mile Floor Plans, Exhibit Hall Specs & Loading Docks

- **Canonical URL:** https://conventions.com/venues/chicago-marriott-dtwn-magnificent-mile-chicago-il/floor-plan
- **Parent Venue Hub:** https://conventions.com/venues/chicago-marriott-dtwn-magnificent-mile-chicago-il
- **VenueScore™:** 8.5/10 (Chicago Union Jurisdiction Convention Campus)
- **Address:** Convention & Conference Corridor, Chicago, IL
- **Labor Jurisdiction:** Union Jurisdiction

Inspect hall-by-hall square footage, theater/banquet setup capacities, ceiling rigging clearances (25' 0" – 27' 0"), slab floor loads, Edlen/utility floor-box grids, 7 freight dock bays + drive-in roll-up portal, and Union Jurisdiction exhibitor self-install rules at Chicago Marriott Dtwn Magnificent Mile.

## Hall-by-Hall Capacities & Structural Specs
| Hall / Ballroom | Net Sq Ft | Clear Height | Column Grid | Floor Load | Max 10x10s | Theater / Banquet |
| --- | --- | --- | --- | --- | --- | --- |
| Chicago Marriott Dtwn Magnificent Mile Main Exhibit Hall A–C (Contiguous Span) | 12,972 sq. ft. | 25' 0" – 27' 0" | 90' × 90' clear-span steel truss | 350 lbs / sq. ft. heavy industrial slab | 70 | 1,365 Theater / 961 Banquet |
| Chicago Marriott Dtwn Magnificent Mile Grand Ballroom & General Session Plenary | 12,000 sq. ft. | 24' 0" | 100% Pillarless | 150 lbs / sq. ft. | 60 | 1,260 Theater / 887 Banquet |
| Chicago Marriott Dtwn Magnificent Mile Executive Breakout Wing (28 Rooms) | 10,000 sq. ft. | 14' 0" – 16' 0" | Pillarless airwall pods | 100 lbs / sq. ft. | Tabletop Sponsors | 30–350 per room |