Aloft by Marriott Chicago Mag Mile — Event Spaces & Capacities
243 E Ontario St, Chicago, IL 60611
Aloft by Marriott Chicago Mag Mile gives Chicago event planners 9 spaces to work with across 6,984 sq ft649 m² of function space. The largest room, Warhol, hosts up to 120 guests. Review the layouts and seating capacities below, then test your setup in 3D — free.
Floor plans
Detailed floor plans for Aloft by Marriott Chicago Mag Mile are published on the venue’s official site.
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Room capacities & dimensions
| Space | Sq ft / m² | Ceiling | Banquet | Theater | Classroom | Reception | Conference | U-Shape |
|---|---|---|---|---|---|---|---|---|
| EscherPlan this room → | 775 sq ft72 m² | 11 ft3.4 m | 48 | 64 | 36 | 60 | 24 | 24 |
| LichtensteinPlan this room → | 465 sq ft43 m² | 11 ft3.4 m | 16 | 32 | 18 | 25 | 12 | 12 |
| MarckPlan this room → | 983 sq ft91 m² | 11 ft3.4 m | 64 | 80 | 64 | 80 | 32 | 24 |
| MondrianPlan this room → | 614 sq ft57 m² | 11 ft3.4 m | 32 | 35 | 24 | 45 | 16 | 16 |
| WarholPlan this room → | 1,375 sq ft128 m² | 11 ft3.4 m | 80 | 115 | 72 | 120 | 48 | 48 |
| Warhol 1Plan this room → | 682 sq ft63 m² | 11 ft3.4 m | 40 | 50 | 40 | 60 | 20 | 24 |
| Warhol 2Plan this room → | 693 sq ft64 m² | 11 ft3.4 m | 40 | 50 | 36 | 60 | 20 | 24 |
Additional spaces (dimensions only) (2)
| Space | Sq ft / m² | Ceiling |
|---|---|---|
| Pre-function (19)Plan this room → | 409 sq ft38 m² | 11 ft3.4 m |
| Pre-function (2)Plan this room → | 988 sq ft92 m² | 11 ft3.4 m |
Figures from published venue data; blank cells mean the venue hasn’t published that number. Verify final counts with the venue.