Skip to main content
Menu close text
Marriott Logo
Marriott Logo
Help

Select a Language

English(US)

Marriott Chicago O’Hare

Marriott Chicago O’Hare

VIEW MAP VIEW MAP
+1 773-693-4444
Cancel
DATES (1 NIGHT) NIGHTS)
Flexible in
S M T W T F S
Number of Nights
1
Rooms & Guests
Maximum 8 guests per room
Rooms
(Max: 3 Rooms/person)
1
Adults
(Max: 8 total guests/room)
1
Children
(Max: 8 total guests/room)
0
AGE OF CHILDREN (REQUIRED)
Special Rates
  • Meeting Space Info
Credit Card
Earn 3 Free Nights + 50,000 Bonus Points
Learn More

Events

Start Planning Your Meetings or Events Here

Tell us about your event, then we'll contact you and plan it together

Start Your Plan Here

22

Event Rooms

34678 SQ FT

Total Event Space

1200

Capacity Largest Space

33

Breakout Rooms
Capacity Chart | Floor Plans | Equipment and Services
Complimentary Airport Shuttle
Our hotel features complimentary airport shuttle service for your convenience. Please visit the front desk for more information.
meeting, events, business, corporate

Meeting and Events

Delight out-of-town guests with our location near Chicago's O'Hare International Airport

Choose from 22 meeting spaces in Chicago comprising more than 34,000 sq. ft of event space Learn More
Seat up to 1,200 conference or function guests in conference venues at our hotel in Rosemont
Our talented culinary team is eager to create a custom menu for your corporate meeting
Plan seamless functions with event professionals at our conference venue hotel in Rosemont Learn More
Enhance your meeting with cutting-edge AV technology and on-site, expert technicians
meetings, events

Weddings and Occasions

Out-of-town guests appreciate the proximity of our micro wedding venue in Rosemont to O'Hare Airport

Dream weddings don't just happen, they're planned. Marriott Certified Wedding Planners are trained to help. After completing demanding coursework, each Marriott Certified Wedding Planner is qualified to coordinate weddings of all types, including ethnic and military weddings. Relying on experience, training, tradition and old-fashioned intuition, Marriott Certified Wedding Planners can help you determine an overall vision for your wedding and help you execute each detail. That includes setting an event budget; deciding on a menu; arranging table settings; and finding florists, photographers, a band and other entertainment for the big day.
Our Rosemont, IL, hotel offers 22 wedding venues ideal for celebrations of all sizes
Host up to 1,200 guests in the Chicago Ballroom, our hotel's largest wedding venue
Let our experienced wedding planners handle every detail of your special day in Chicago
Trust our professional catering staff to create a memorable wedding banquet menu
When hiring our micro wedding venues in Rosemont block book 10+ rooms for exclusive rates

Chicago Marriott O'Hare Weddings

The Chicago Marriott O'Hare offers the perfect setting to host the wedding of your dreams.
Learn more
private dining austin
Rewarding Travel from Start to Finish
Earn up to 60,000 points per qualified event with Marriott Bonvoy Events. Elite members earn more with bonus points.
See how we're rewarding events

MANAGE YOUR EVENT WITH EASE

Manage event details, make real-time requests and connect with our staff - from the palm of your hand.

Marriott's Meeting Services App

Please note: all room sizes are approximate.

Feet Meters
Meeting Room Dimensions (LxWxH) Area (sq.ft) Theater Schoolroom Conference U-Shape Reception Banquet
Grand Ballroom 129x72x12 9288 1000 550 - 134 1200 750
Grand Ballroom 1, 3, 5 or 7 33x22x12 726 50 40 27 21 50 50
Grand Ballroom 2 or 6 33x27x12 891 70 50 27 24 75 60
Grand Ballroom 4 63x72x18 4536 480 300 - 70 400 300
Grand Ballroom 1, 2, 3 or 5, 6, 7 33x72x12 2343 250 140 - 60 300 180
Salons 8, 9, 10 34x72x12 2448 250 140 66 60 300 180
Salon 8 or 10 34x23x12 782 50 50 27 21 50 40
Salon 9 34x27x12 918 70 50 27 24 75 60
Chicago Ballroom 169x57x10 9633 1000 600 - 130 1200 800
A or B 29x23x10 655 50 24 20 16 40 40
C, D, E or F 57x30x10 1710 175 100 30 40 150 140
G or A, B 57x26x10 1482 130 70 30 30 100 90
River 34x34x14 1156 80 60 27 32 100 90
Cumberland 24x12x9 288 20 - 12 - 20 20
Higgins 24x22x9 528 40 18 20 15 40 40
Kennedy 24x12x9 288 15 - 10 - 15 20
O'Hare Ballroom 77x83x14 6391 500 320 - 75 800 480
Terminal 1 33x21x14 693 60 30 27 24 60 40
Terminal 2 33x43x14 1419 120 72 34 33 100 80
Terminals 1 & 2 33x64x14 2112 180 96 50 58 200 130
Terminal 3 33x19x14 627 50 24 27 21 60 40
Terminals 2 & 3 33x62x14 2046 170 96 50 56 200 120
Terminals 1, 2 & 3 33x83x14 2739 220 150 63 65 300 160
Terminal 5 44x83x14 3652 260 170 63 75 450 250
Type I - Franklin 21x15x8 315 16 12 12 - 15 20
Type I - Madison 21x15x8 315 16 12 12 - 15 20
Type I - Randolph 21x15x8 252 16 12 12 - 15 20
Type I - Wacker 21x15x8 315 16 12 12 - 15 20
Type II - Dearborn 26x13x8 338 30 16 16 - 20 20
Type II - LaSalle 27x13x8 350 30 16 16 - 20 20
Type II - Michigan 27x13x8 350 30 16 16 - 20 20
Type II - Monroe 27x13x8 350 30 16 16 - 20 20
Type II - State 26x13x8 338 30 16 16 - 20 20
Type II - Wells 25x14x8 350 30 16 16 - 20 0
Type II - Clark 25x14x8 350 30 16 16 - 20 20
Type III - Adams 26x17x8 493 40 28 20 15 25 30
Type III - Wabash 29x17x8 442 40 28 20 15 25 30
Type IV - Jackson 12x12x8 100 0 0 3 0 0 0
Grand Ballroom
Dimensions (LxWxH)
129x72x12
Area (sq.ft)
9288
Theater
1000
Schoolroom
550
Conference
-
U-Shape
134
Reception
1200
Banquet
750
Grand Ballroom 1, 3, 5 or 7
Dimensions (LxWxH)
33x22x12
Area (sq.ft)
726
Theater
50
Schoolroom
40
Conference
27
U-Shape
21
Reception
50
Banquet
50
Grand Ballroom 2 or 6
Dimensions (LxWxH)
33x27x12
Area (sq.ft)
891
Theater
70
Schoolroom
50
Conference
27
U-Shape
24
Reception
75
Banquet
60
Grand Ballroom 4
Dimensions (LxWxH)
63x72x18
Area (sq.ft)
4536
Theater
480
Schoolroom
300
Conference
-
U-Shape
70
Reception
400
Banquet
300
Grand Ballroom 1, 2, 3 or 5, 6, 7
Dimensions (LxWxH)
33x72x12
Area (sq.ft)
2343
Theater
250
Schoolroom
140
Conference
-
U-Shape
60
Reception
300
Banquet
180
Salons 8, 9, 10
Dimensions (LxWxH)
34x72x12
Area (sq.ft)
2448
Theater
250
Schoolroom
140
Conference
66
U-Shape
60
Reception
300
Banquet
180
Salon 8 or 10
Dimensions (LxWxH)
34x23x12
Area (sq.ft)
782
Theater
50
Schoolroom
50
Conference
27
U-Shape
21
Reception
50
Banquet
40
Salon 9
Dimensions (LxWxH)
34x27x12
Area (sq.ft)
918
Theater
70
Schoolroom
50
Conference
27
U-Shape
24
Reception
75
Banquet
60
Chicago Ballroom
Dimensions (LxWxH)
169x57x10
Area (sq.ft)
9633
Theater
1000
Schoolroom
600
Conference
-
U-Shape
130
Reception
1200
Banquet
800
A or B
Dimensions (LxWxH)
29x23x10
Area (sq.ft)
655
Theater
50
Schoolroom
24
Conference
20
U-Shape
16
Reception
40
Banquet
40
C, D, E or F
Dimensions (LxWxH)
57x30x10
Area (sq.ft)
1710
Theater
175
Schoolroom
100
Conference
30
U-Shape
40
Reception
150
Banquet
140
G or A, B
Dimensions (LxWxH)
57x26x10
Area (sq.ft)
1482
Theater
130
Schoolroom
70
Conference
30
U-Shape
30
Reception
100
Banquet
90
River
Dimensions (LxWxH)
34x34x14
Area (sq.ft)
1156
Theater
80
Schoolroom
60
Conference
27
U-Shape
32
Reception
100
Banquet
90
Cumberland
Dimensions (LxWxH)
24x12x9
Area (sq.ft)
288
Theater
20
Schoolroom
-
Conference
12
U-Shape
-
Reception
20
Banquet
20
Higgins
Dimensions (LxWxH)
24x22x9
Area (sq.ft)
528
Theater
40
Schoolroom
18
Conference
20
U-Shape
15
Reception
40
Banquet
40
Kennedy
Dimensions (LxWxH)
24x12x9
Area (sq.ft)
288
Theater
15
Schoolroom
-
Conference
10
U-Shape
-
Reception
15
Banquet
20
O'Hare Ballroom
Dimensions (LxWxH)
77x83x14
Area (sq.ft)
6391
Theater
500
Schoolroom
320
Conference
-
U-Shape
75
Reception
800
Banquet
480
Terminal 1
Dimensions (LxWxH)
33x21x14
Area (sq.ft)
693
Theater
60
Schoolroom
30
Conference
27
U-Shape
24
Reception
60
Banquet
40
Terminal 2
Dimensions (LxWxH)
33x43x14
Area (sq.ft)
1419
Theater
120
Schoolroom
72
Conference
34
U-Shape
33
Reception
100
Banquet
80
Terminals 1 & 2
Dimensions (LxWxH)
33x64x14
Area (sq.ft)
2112
Theater
180
Schoolroom
96
Conference
50
U-Shape
58
Reception
200
Banquet
130
Terminal 3
Dimensions (LxWxH)
33x19x14
Area (sq.ft)
627
Theater
50
Schoolroom
24
Conference
27
U-Shape
21
Reception
60
Banquet
40
Terminals 2 & 3
Dimensions (LxWxH)
33x62x14
Area (sq.ft)
2046
Theater
170
Schoolroom
96
Conference
50
U-Shape
56
Reception
200
Banquet
120
Terminals 1, 2 & 3
Dimensions (LxWxH)
33x83x14
Area (sq.ft)
2739
Theater
220
Schoolroom
150
Conference
63
U-Shape
65
Reception
300
Banquet
160
Terminal 5
Dimensions (LxWxH)
44x83x14
Area (sq.ft)
3652
Theater
260
Schoolroom
170
Conference
63
U-Shape
75
Reception
450
Banquet
250
Type I - Franklin
Dimensions (LxWxH)
21x15x8
Area (sq.ft)
315
Theater
16
Schoolroom
12
Conference
12
U-Shape
-
Reception
15
Banquet
20
Type I - Madison
Dimensions (LxWxH)
21x15x8
Area (sq.ft)
315
Theater
16
Schoolroom
12
Conference
12
U-Shape
-
Reception
15
Banquet
20
Type I - Randolph
Dimensions (LxWxH)
21x15x8
Area (sq.ft)
252
Theater
16
Schoolroom
12
Conference
12
U-Shape
-
Reception
15
Banquet
20
Type I - Wacker
Dimensions (LxWxH)
21x15x8
Area (sq.ft)
315
Theater
16
Schoolroom
12
Conference
12
U-Shape
-
Reception
15
Banquet
20
Type II - Dearborn
Dimensions (LxWxH)
26x13x8
Area (sq.ft)
338
Theater
30
Schoolroom
16
Conference
16
U-Shape
-
Reception
20
Banquet
20
Type II - LaSalle
Dimensions (LxWxH)
27x13x8
Area (sq.ft)
350
Theater
30
Schoolroom
16
Conference
16
U-Shape
-
Reception
20
Banquet
20
Type II - Michigan
Dimensions (LxWxH)
27x13x8
Area (sq.ft)
350
Theater
30
Schoolroom
16
Conference
16
U-Shape
-
Reception
20
Banquet
20
Type II - Monroe
Dimensions (LxWxH)
27x13x8
Area (sq.ft)
350
Theater
30
Schoolroom
16
Conference
16
U-Shape
-
Reception
20
Banquet
20
Type II - State
Dimensions (LxWxH)
26x13x8
Area (sq.ft)
338
Theater
30
Schoolroom
16
Conference
16
U-Shape
-
Reception
20
Banquet
20
Type II - Wells
Dimensions (LxWxH)
25x14x8
Area (sq.ft)
350
Theater
30
Schoolroom
16
Conference
16
U-Shape
-
Reception
20
Banquet
0
Type II - Clark
Dimensions (LxWxH)
25x14x8
Area (sq.ft)
350
Theater
30
Schoolroom
16
Conference
16
U-Shape
-
Reception
20
Banquet
20
Type III - Adams
Dimensions (LxWxH)
26x17x8
Area (sq.ft)
493
Theater
40
Schoolroom
28
Conference
20
U-Shape
15
Reception
25
Banquet
30
Type III - Wabash
Dimensions (LxWxH)
29x17x8
Area (sq.ft)
442
Theater
40
Schoolroom
28
Conference
20
U-Shape
15
Reception
25
Banquet
30
Type IV - Jackson
Dimensions (LxWxH)
12x12x8
Area (sq.ft)
100
Theater
0
Schoolroom
0
Conference
3
U-Shape
0
Reception
0
Banquet
0
Meeting Room Dimensions (LxWxH) Area (sq.mt) Theater Schoolroom Conference U-Shape Reception Banquet
Grand Ballroom 39.3x21.9x3.7 862.9 1000 550 - 134 1200 750
Grand Ballroom 1, 3, 5 or 7 10.1x6.7x3.7 67.4 50 40 27 21 50 50
Grand Ballroom 2 or 6 10.1x8.2x3.7 82.8 70 50 27 24 75 60
Grand Ballroom 4 19.2x21.9x5.5 421.4 480 300 - 70 400 300
Grand Ballroom 1, 2, 3 or 5, 6, 7 10.1x21.9x3.7 217.7 250 140 - 60 300 180
Salons 8, 9, 10 10.4x21.9x3.7 227.4 250 140 66 60 300 180
Salon 8 or 10 10.4x7x3.7 72.6 50 50 27 21 50 40
Salon 9 10.4x8.2x3.7 85.3 70 50 27 24 75 60
Chicago Ballroom 51.5x17.4x3 894.9 1000 600 - 130 1200 800
A or B 8.8x7x3 60.9 50 24 20 16 40 40
C, D, E or F 17.4x9.1x3 158.9 175 100 30 40 150 140
G or A, B 17.4x7.9x3 137.7 130 70 30 30 100 90
River 10.4x10.4x4.3 107.4 80 60 27 32 100 90
Cumberland 7.3x3.7x2.7 26.8 20 - 12 - 20 20
Higgins 7.3x6.7x2.7 49.1 40 18 20 15 40 40
Kennedy 7.3x3.7x2.7 26.8 15 - 10 - 15 20
O'Hare Ballroom 23.5x25.3x4.3 593.7 500 320 - 75 800 480
Terminal 1 10.1x6.4x4.3 64.4 60 30 27 24 60 40
Terminal 2 10.1x13.1x4.3 131.8 120 72 34 33 100 80
Terminals 1 & 2 10.1x19.5x4.3 196.2 180 96 50 58 200 130
Terminal 3 10.1x5.8x4.3 58.2 50 24 27 21 60 40
Terminals 2 & 3 10.1x18.9x4.3 190.1 170 96 50 56 200 120
Terminals 1, 2 & 3 10.1x25.3x4.3 254.5 220 150 63 65 300 160
Terminal 5 13.4x25.3x4.3 339.3 260 170 63 75 450 250
Type I - Franklin 6.4x4.6x2.4 29.3 16 12 12 - 15 20
Type I - Madison 6.4x4.6x2.4 29.3 16 12 12 - 15 20
Type I - Randolph 6.4x4.6x2.4 23.4 16 12 12 - 15 20
Type I - Wacker 6.4x4.6x2.4 29.3 16 12 12 - 15 20
Type II - Dearborn 7.9x4x2.4 31.4 30 16 16 - 20 20
Type II - LaSalle 8.2x4x2.4 32.5 30 16 16 - 20 20
Type II - Michigan 8.2x4x2.4 32.5 30 16 16 - 20 20
Type II - Monroe 8.2x4x2.4 32.5 30 16 16 - 20 20
Type II - State 7.9x4x2.4 31.4 30 16 16 - 20 20
Type II - Wells 7.6x4.3x2.4 32.5 30 16 16 - 20 0
Type II - Clark 7.6x4.3x2.4 32.5 30 16 16 - 20 20
Type III - Adams 7.9x5.2x2.4 45.8 40 28 20 15 25 30
Type III - Wabash 8.8x5.2x2.4 41.1 40 28 20 15 25 30
Type IV - Jackson 3.7x3.7x2.4 9.3 0 0 3 0 0 0
Grand Ballroom
Dimensions (LxWxH)
39.3x21.9x3.7
Area (sq.mt)
862.9
Theater
1000
Schoolroom
550
Conference
-
U-Shape
134
Reception
1200
Banquet
750
Grand Ballroom 1, 3, 5 or 7
Dimensions (LxWxH)
10.1x6.7x3.7
Area (sq.mt)
67.4
Theater
50
Schoolroom
40
Conference
27
U-Shape
21
Reception
50
Banquet
50
Grand Ballroom 2 or 6
Dimensions (LxWxH)
10.1x8.2x3.7
Area (sq.mt)
82.8
Theater
70
Schoolroom
50
Conference
27
U-Shape
24
Reception
75
Banquet
60
Grand Ballroom 4
Dimensions (LxWxH)
19.2x21.9x5.5
Area (sq.mt)
421.4
Theater
480
Schoolroom
300
Conference
-
U-Shape
70
Reception
400
Banquet
300
Grand Ballroom 1, 2, 3 or 5, 6, 7
Dimensions (LxWxH)
10.1x21.9x3.7
Area (sq.mt)
217.7
Theater
250
Schoolroom
140
Conference
-
U-Shape
60
Reception
300
Banquet
180
Salons 8, 9, 10
Dimensions (LxWxH)
10.4x21.9x3.7
Area (sq.mt)
227.4
Theater
250
Schoolroom
140
Conference
66
U-Shape
60
Reception
300
Banquet
180
Salon 8 or 10
Dimensions (LxWxH)
10.4x7x3.7
Area (sq.mt)
72.6
Theater
50
Schoolroom
50
Conference
27
U-Shape
21
Reception
50
Banquet
40
Salon 9
Dimensions (LxWxH)
10.4x8.2x3.7
Area (sq.mt)
85.3
Theater
70
Schoolroom
50
Conference
27
U-Shape
24
Reception
75
Banquet
60
Chicago Ballroom
Dimensions (LxWxH)
51.5x17.4x3
Area (sq.mt)
894.9
Theater
1000
Schoolroom
600
Conference
-
U-Shape
130
Reception
1200
Banquet
800
A or B
Dimensions (LxWxH)
8.8x7x3
Area (sq.mt)
60.9
Theater
50
Schoolroom
24
Conference
20
U-Shape
16
Reception
40
Banquet
40
C, D, E or F
Dimensions (LxWxH)
17.4x9.1x3
Area (sq.mt)
158.9
Theater
175
Schoolroom
100
Conference
30
U-Shape
40
Reception
150
Banquet
140
G or A, B
Dimensions (LxWxH)
17.4x7.9x3
Area (sq.mt)
137.7
Theater
130
Schoolroom
70
Conference
30
U-Shape
30
Reception
100
Banquet
90
River
Dimensions (LxWxH)
10.4x10.4x4.3
Area (sq.mt)
107.4
Theater
80
Schoolroom
60
Conference
27
U-Shape
32
Reception
100
Banquet
90
Cumberland
Dimensions (LxWxH)
7.3x3.7x2.7
Area (sq.mt)
26.8
Theater
20
Schoolroom
-
Conference
12
U-Shape
-
Reception
20
Banquet
20
Higgins
Dimensions (LxWxH)
7.3x6.7x2.7
Area (sq.mt)
49.1
Theater
40
Schoolroom
18
Conference
20
U-Shape
15
Reception
40
Banquet
40
Kennedy
Dimensions (LxWxH)
7.3x3.7x2.7
Area (sq.mt)
26.8
Theater
15
Schoolroom
-
Conference
10
U-Shape
-
Reception
15
Banquet
20
O'Hare Ballroom
Dimensions (LxWxH)
23.5x25.3x4.3
Area (sq.mt)
593.7
Theater
500
Schoolroom
320
Conference
-
U-Shape
75
Reception
800
Banquet
480
Terminal 1
Dimensions (LxWxH)
10.1x6.4x4.3
Area (sq.mt)
64.4
Theater
60
Schoolroom
30
Conference
27
U-Shape
24
Reception
60
Banquet
40
Terminal 2
Dimensions (LxWxH)
10.1x13.1x4.3
Area (sq.mt)
131.8
Theater
120
Schoolroom
72
Conference
34
U-Shape
33
Reception
100
Banquet
80
Terminals 1 & 2
Dimensions (LxWxH)
10.1x19.5x4.3
Area (sq.mt)
196.2
Theater
180
Schoolroom
96
Conference
50
U-Shape
58
Reception
200
Banquet
130
Terminal 3
Dimensions (LxWxH)
10.1x5.8x4.3
Area (sq.mt)
58.2
Theater
50
Schoolroom
24
Conference
27
U-Shape
21
Reception
60
Banquet
40
Terminals 2 & 3
Dimensions (LxWxH)
10.1x18.9x4.3
Area (sq.mt)
190.1
Theater
170
Schoolroom
96
Conference
50
U-Shape
56
Reception
200
Banquet
120
Terminals 1, 2 & 3
Dimensions (LxWxH)
10.1x25.3x4.3
Area (sq.mt)
254.5
Theater
220
Schoolroom
150
Conference
63
U-Shape
65
Reception
300
Banquet
160
Terminal 5
Dimensions (LxWxH)
13.4x25.3x4.3
Area (sq.mt)
339.3
Theater
260
Schoolroom
170
Conference
63
U-Shape
75
Reception
450
Banquet
250
Type I - Franklin
Dimensions (LxWxH)
6.4x4.6x2.4
Area (sq.mt)
29.3
Theater
16
Schoolroom
12
Conference
12
U-Shape
-
Reception
15
Banquet
20
Type I - Madison
Dimensions (LxWxH)
6.4x4.6x2.4
Area (sq.mt)
29.3
Theater
16
Schoolroom
12
Conference
12
U-Shape
-
Reception
15
Banquet
20
Type I - Randolph
Dimensions (LxWxH)
6.4x4.6x2.4
Area (sq.mt)
23.4
Theater
16
Schoolroom
12
Conference
12
U-Shape
-
Reception
15
Banquet
20
Type I - Wacker
Dimensions (LxWxH)
6.4x4.6x2.4
Area (sq.mt)
29.3
Theater
16
Schoolroom
12
Conference
12
U-Shape
-
Reception
15
Banquet
20
Type II - Dearborn
Dimensions (LxWxH)
7.9x4x2.4
Area (sq.mt)
31.4
Theater
30
Schoolroom
16
Conference
16
U-Shape
-
Reception
20
Banquet
20
Type II - LaSalle
Dimensions (LxWxH)
8.2x4x2.4
Area (sq.mt)
32.5
Theater
30
Schoolroom
16
Conference
16
U-Shape
-
Reception
20
Banquet
20
Type II - Michigan
Dimensions (LxWxH)
8.2x4x2.4
Area (sq.mt)
32.5
Theater
30
Schoolroom
16
Conference
16
U-Shape
-
Reception
20
Banquet
20
Type II - Monroe
Dimensions (LxWxH)
8.2x4x2.4
Area (sq.mt)
32.5
Theater
30
Schoolroom
16
Conference
16
U-Shape
-
Reception
20
Banquet
20
Type II - State
Dimensions (LxWxH)
7.9x4x2.4
Area (sq.mt)
31.4
Theater
30
Schoolroom
16
Conference
16
U-Shape
-
Reception
20
Banquet
20
Type II - Wells
Dimensions (LxWxH)
7.6x4.3x2.4
Area (sq.mt)
32.5
Theater
30
Schoolroom
16
Conference
16
U-Shape
-
Reception
20
Banquet
0
Type II - Clark
Dimensions (LxWxH)
7.6x4.3x2.4
Area (sq.mt)
32.5
Theater
30
Schoolroom
16
Conference
16
U-Shape
-
Reception
20
Banquet
20
Type III - Adams
Dimensions (LxWxH)
7.9x5.2x2.4
Area (sq.mt)
45.8
Theater
40
Schoolroom
28
Conference
20
U-Shape
15
Reception
25
Banquet
30
Type III - Wabash
Dimensions (LxWxH)
8.8x5.2x2.4
Area (sq.mt)
41.1
Theater
40
Schoolroom
28
Conference
20
U-Shape
15
Reception
25
Banquet
30
Type IV - Jackson
Dimensions (LxWxH)
3.7x3.7x2.4
Area (sq.mt)
9.3
Theater
0
Schoolroom
0
Conference
3
U-Shape
0
Reception
0
Banquet
0
Banquet
Generally used for meals and sessions involving small group discussions. A five foot round table seats eight people comfortably. A six foot round table seats 10 people comfortably.
Conference and Hollow Square
Appropriate for interactive discussions and note-taking sessions for fewer than 25 people. Many hotels have elegant "boardrooms" for 10 to 20 people, equipped with full audiovisual capabilities, a writing board, cork board and a flip chart.
E-Shape, U-Shape and T-Shape
Appropriate for groups of fewer than 40 people. These are best for interaction with a leader seated at the head of the setup. Audiovisual is usually best set up at the open end of the seating.
Theater
Appropriate for large sessions and short lectures that do not require extensive note-taking. This is a convenient setup to use before breaking into discussion or role-playing groups because chairs can be moved.
Reception
Stand-up social function where beverages and light foods are served. Foods may be presented on small buffet tables or passed by servers. May precede a meal function.
Schoolroom or Classroom
The most desirable setup for medium to large-size lectures. Requires a relatively large room. Tables provide attendees with space for spreading out materials and taking notes.
Ovals and Rounds
Generally used for meals and sessions involving small group discussions. A five foot round table seats eight people comfortably. A six foot round table seats 10 people comfortably.

Audio-Visual Equipment

  • AV Technician
  • LCD Projector
  • Microphone
  • Overhead Projector
  • PA System
  • TV
  • TV Production Service Provider
  • Teleconferencing
  • Video Camera
  • Videoconferencing
  • Walkie Talkies
  • Wired Internet

Event Services

  • Carpenter
  • Certified Meeting Planner
  • Decorator
  • Electrician
  • Event Lighting
  • Locksmith
  • Message Service
  • Photographer
  • Registration Service
  • Security Guards

Event Equipment & Supplies

  • Direction Signs
  • Easels
  • Flip Chart & Markers
  • Installed Stage
  • Lobby Bulletin Board
  • Name Cards
  • Pens / Pencils / Notepad
  • Podium Lectern
  • Portable Stage
  • Spotlights
  • Stack Chairs
  • Tables

Business Services

  • Computers
  • On-Site Business Center is Staffed
  • Overnight Delivery/Pickup
  • Post/Parcel
  • Printers

Catering Services

  • Afternoon Break:$45.00 / Person
  • Coffee Break:$55.00 / Person
  • Continental Breakfast:$52.00 / Person
  • Dinner:$90.00 / Person
  • Full Breakfast:$65.00 / Person
  • Lunch:$90.00 / Person
  • Reception:$200.00 / Person

Frequently Asked Questions

Marriott Chicago O’Hare has 22 event rooms.

The largest capacity event rooms are Grand Ballroom, Chicago Ballroom. They have a capacity of 1200.

Yes, Marriott Chicago O’Hare provides wedding services.

To book a meeting or event at Marriott Chicago O’Hare click here

MARRIOTT® CHICAGO O’HARE

Overview Gallery Accommodations Dining Experiences Meetings and Weddings

© 1996 – 2025 Marriott International, Inc. All rights reserved. Marriott Proprietary Information

English
Careers Opens a new window Terms of Use Program Terms & Conditions Privacy Center Digital Accessibility Sustainability in the Supply Chain Site Map Hotel Site Map Help Opens a new window