Marriott Chicago O'Hare — Event Spaces & Capacities
8535 W Higgins Rd, Chicago, IL 60631
With 38 event spaces across 62,009 sq ft5,761 m² of function space, Marriott Chicago O'Hare is a flexible choice for meetings and celebrations in Chicago. The largest room, Chicago Ballroom, hosts up to 1,200 guests. Full capacity details for each room are below.
Floor plans
Detailed floor plans for Marriott Chicago O'Hare are published on the venue’s official site.
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Room capacities & dimensions
| Space | Ceiling | |||||||
|---|---|---|---|---|---|---|---|---|
| A or BPlan this room → | 655 sq ft61 m² | 10 ft3 m | 40 | 50 | 24 | 40 | 20 | 16 |
| C, D, E or FPlan this room → | 1,710 sq ft159 m² | 10 ft3 m | 140 | 175 | 100 | 150 | 30 | 40 |
| Chicago BallroomPlan this room → | 9,633 sq ft895 m² | 10 ft3 m | 800 | 1,000 | 600 | 1,200 | — | 130 |
| CumberlandPlan this room → | 288 sq ft27 m² | 9 ft2.7 m | 20 | 20 | — | 20 | 12 | — |
| G or A, BPlan this room → | 1,482 sq ft138 m² | 10 ft3 m | 90 | 130 | 70 | 100 | 30 | 30 |
| Grand BallroomPlan this room → | 9,288 sq ft863 m² | 12 ft3.7 m | 750 | 1,000 | 550 | 1,200 | — | 134 |
| Grand Ballroom 1, 2, 3 or 5, 6, 7Plan this room → | 2,343 sq ft218 m² | 12 ft3.7 m | 180 | 250 | 140 | 300 | — | 60 |
| Grand Ballroom 1, 3, 5 or 7Plan this room → | 726 sq ft67 m² | 12 ft3.7 m | 50 | 50 | 40 | 50 | 27 | 21 |
| Grand Ballroom 2 or 6Plan this room → | 891 sq ft83 m² | 12 ft3.7 m | 60 | 70 | 50 | 75 | 27 | 24 |
| Grand Ballroom 4Plan this room → | 4,536 sq ft421 m² | 18 ft5.5 m | 300 | 480 | 300 | 400 | — | 70 |
| HigginsPlan this room → | 528 sq ft49 m² | 9 ft2.7 m | 40 | 40 | 18 | 40 | 20 | 15 |
| KennedyPlan this room → | 288 sq ft27 m² | 9 ft2.7 m | 20 | 15 | — | 15 | 10 | — |
| O'Hare BallroomPlan this room → | 6,391 sq ft594 m² | 14 ft4.3 m | 480 | 500 | 320 | 800 | — | 75 |
| RiverPlan this room → | 1,156 sq ft107 m² | 14 ft4.3 m | 90 | 80 | 60 | 100 | 27 | 32 |
| Salon 8 or 10Plan this room → | 782 sq ft73 m² | 12 ft3.7 m | 40 | 50 | 50 | 50 | 27 | 21 |
| Salon 9Plan this room → | 918 sq ft85 m² | 12 ft3.7 m | 60 | 70 | 50 | 75 | 27 | 24 |
| Salons 8, 9, 10Plan this room → | 2,448 sq ft227 m² | 12 ft3.7 m | 180 | 250 | 140 | 300 | 66 | 60 |
| Terminal 1Plan this room → | 693 sq ft64 m² | 14 ft4.3 m | 40 | 60 | 30 | 60 | 27 | 24 |
| Terminal 2Plan this room → | 1,419 sq ft132 m² | 14 ft4.3 m | 80 | 120 | 72 | 100 | 34 | 33 |
| Terminal 3Plan this room → | 627 sq ft58 m² | 14 ft4.3 m | 40 | 50 | 24 | 60 | 27 | 21 |
| Terminal 5Plan this room → | 3,652 sq ft339 m² | 14 ft4.3 m | 250 | 260 | 170 | 450 | 63 | 75 |
| Terminals 1 & 2Plan this room → | 2,112 sq ft196 m² | 14 ft4.3 m | 130 | 180 | 96 | 200 | 50 | 58 |
| Terminals 1, 2 & 3Plan this room → | 2,739 sq ft254 m² | 14 ft4.3 m | 160 | 220 | 150 | 300 | 63 | 65 |
| Terminals 2 & 3Plan this room → | 2,046 sq ft190 m² | 14 ft4.3 m | 120 | 170 | 96 | 200 | 50 | 56 |
| Type I - FranklinPlan this room → | 315 sq ft29 m² | 8 ft2.4 m | 20 | 16 | 12 | 15 | 12 | — |
| Type I - MadisonPlan this room → | 315 sq ft29 m² | 8 ft2.4 m | 20 | 16 | 12 | 15 | 12 | — |
| Type I - RandolphPlan this room → | 252 sq ft23 m² | 8 ft2.4 m | 20 | 16 | 12 | 15 | 12 | — |
| Type I - WackerPlan this room → | 315 sq ft29 m² | 8 ft2.4 m | 20 | 16 | 12 | 15 | 12 | — |
| Type II - ClarkPlan this room → | 350 sq ft33 m² | 8 ft2.4 m | 20 | 30 | 16 | 20 | 16 | — |
| Type II - DearbornPlan this room → | 338 sq ft31 m² | 8 ft2.4 m | 20 | 30 | 16 | 20 | 16 | — |
| Type II - LaSallePlan this room → | 350 sq ft33 m² | 8 ft2.4 m | 20 | 30 | 16 | 20 | 16 | — |
| Type II - MichiganPlan this room → | 350 sq ft33 m² | 8 ft2.4 m | 20 | 30 | 16 | 20 | 16 | — |
| Type II - MonroePlan this room → | 350 sq ft33 m² | 8 ft2.4 m | 20 | 30 | 16 | 20 | 16 | — |
| Type II - StatePlan this room → | 338 sq ft31 m² | 8 ft2.4 m | 20 | 30 | 16 | 20 | 16 | — |
| Type II - WellsPlan this room → | 350 sq ft33 m² | 8 ft2.4 m | — | 30 | 16 | 20 | 16 | — |
| Type III - AdamsPlan this room → | 493 sq ft46 m² | 8 ft2.4 m | 30 | 40 | 28 | 25 | 20 | 15 |
| Type III - WabashPlan this room → | 442 sq ft41 m² | 8 ft2.4 m | 30 | 40 | 28 | 25 | 20 | 15 |
| Type IV - JacksonPlan this room → | 100 sq ft9 m² | 8 ft2.4 m | — | — | — | — | 3 | — |
Figures from published venue data; blank cells mean the venue hasn’t published that number. Verify final counts with the venue.