Marriott Chicago O'Hare — Event Spaces, Floor Plans & 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.

Between them, the 38 rooms accommodate theater-style sessions for up to 1,000, seated banquets for 800 and standing receptions for 1,200. 20 smaller rooms suit breakouts and board meetings. Per-room dimensions and every published setup figure are listed below.

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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

Room capacities and dimensions for Marriott Chicago O'Hare
SpaceCeiling
A or BPlan this room →655 sq ft61 m²10 ft3 m405024402016
C, D, E or FPlan this room →1,710 sq ft159 m²10 ft3 m1401751001503040
Chicago BallroomPlan this room →9,633 sq ft895 m²10 ft3 m8001,0006001,200—130
CumberlandPlan this room →288 sq ft27 m²9 ft2.7 m2020—2012—
G or A, BPlan this room →1,482 sq ft138 m²10 ft3 m90130701003030
Grand BallroomPlan this room →9,288 sq ft863 m²12 ft3.7 m7501,0005501,200—134
Grand Ballroom 1, 2, 3 or 5, 6, 7Plan this room →2,343 sq ft218 m²12 ft3.7 m180250140300—60
Grand Ballroom 1, 3, 5 or 7Plan this room →726 sq ft67 m²12 ft3.7 m505040502721
Grand Ballroom 2 or 6Plan this room →891 sq ft83 m²12 ft3.7 m607050752724
Grand Ballroom 4Plan this room →4,536 sq ft421 m²18 ft5.5 m300480300400—70
HigginsPlan this room →528 sq ft49 m²9 ft2.7 m404018402015
KennedyPlan this room →288 sq ft27 m²9 ft2.7 m2015—1510—
O'Hare BallroomPlan this room →6,391 sq ft594 m²14 ft4.3 m480500320800—75
RiverPlan this room →1,156 sq ft107 m²14 ft4.3 m9080601002732
Salon 8 or 10Plan this room →782 sq ft73 m²12 ft3.7 m405050502721
Salon 9Plan this room →918 sq ft85 m²12 ft3.7 m607050752724
Salons 8, 9, 10Plan this room →2,448 sq ft227 m²12 ft3.7 m1802501403006660
Terminal 1Plan this room →693 sq ft64 m²14 ft4.3 m406030602724
Terminal 2Plan this room →1,419 sq ft132 m²14 ft4.3 m80120721003433
Terminal 3Plan this room →627 sq ft58 m²14 ft4.3 m405024602721
Terminal 5Plan this room →3,652 sq ft339 m²14 ft4.3 m2502601704506375
Terminals 1 & 2Plan this room →2,112 sq ft196 m²14 ft4.3 m130180962005058
Terminals 1, 2 & 3Plan this room →2,739 sq ft254 m²14 ft4.3 m1602201503006365
Terminals 2 & 3Plan this room →2,046 sq ft190 m²14 ft4.3 m120170962005056
Type I - FranklinPlan this room →315 sq ft29 m²8 ft2.4 m2016121512—
Type I - MadisonPlan this room →315 sq ft29 m²8 ft2.4 m2016121512—
Type I - RandolphPlan this room →252 sq ft23 m²8 ft2.4 m2016121512—
Type I - WackerPlan this room →315 sq ft29 m²8 ft2.4 m2016121512—
Type II - ClarkPlan this room →350 sq ft33 m²8 ft2.4 m2030162016—
Type II - DearbornPlan this room →338 sq ft31 m²8 ft2.4 m2030162016—
Type II - LaSallePlan this room →350 sq ft33 m²8 ft2.4 m2030162016—
Type II - MichiganPlan this room →350 sq ft33 m²8 ft2.4 m2030162016—
Type II - MonroePlan this room →350 sq ft33 m²8 ft2.4 m2030162016—
Type II - StatePlan this room →338 sq ft31 m²8 ft2.4 m2030162016—
Type II - WellsPlan this room →350 sq ft33 m²8 ft2.4 m—30162016—
Type III - AdamsPlan this room →493 sq ft46 m²8 ft2.4 m304028252015
Type III - WabashPlan this room →442 sq ft41 m²8 ft2.4 m304028252015
Type IV - JacksonPlan this room →100 sq ft9 m²8 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.

Frequently asked questions

How many event spaces does Marriott Chicago O'Hare have?
Marriott Chicago O'Hare has 38 event spaces totaling 62,009 sq ft.
What is the largest event space at Marriott Chicago O'Hare?
The largest event space at Marriott Chicago O'Hare is Chicago Ballroom, which holds up to 1,200 guests across 9,633 sq ft.
What is the banquet capacity of Chicago Ballroom at Marriott Chicago O'Hare?
Chicago Ballroom seats up to 800 guests in a banquet layout.
How many people fit in Chicago Ballroom theater-style?
Chicago Ballroom holds up to 1,000 guests in a theater setup.
What are the dimensions of Chicago Ballroom?
Chicago Ballroom measures 57 × 169 ft (9,633 sq ft) with 10 ft ceilings.

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