Marriott Rosemont
9550 W Higgins Rd, Rosemont, Illinois, 60018
44,075
Sq ft event space
38
Meeting rooms
1,200
MAX Capacity
470
Guest rooms
Marriott Rosemont is a premier event destination offering world-class facilities for weddings, corporate events, conferences, galas, and social gatherings. With 44075 sq ft of flexible event space across 38 configurable rooms, we bring your vision to life with an experienced in-house events team.
Our dedicated coordinators, award-winning catering team, and state-of-the-art audio-visual capabilities ensure every detail is flawless — from the first site visit to the final dance.
Guest rooms
470 rooms available for individual stays and discounted room blocks.
Meeting & event space
44075 sq ft across 38 configurable rooms. Tap a room for capacities and setups.
Chicago Ballroom
9633
·
169 x 57 ft
·
10 ft ceiling
Max capacity1200
Floor area9633
Dimensions169 x 57 ft
Ceiling height10 ft
Configurations5
Capacity by setup
1000
Theater
800
Banquet
600
Classroom
130
U-Shape
1200
Reception
Grand Ballroom
9288
·
129 x 72 ft
·
12 ft ceiling
Max capacity1200
Floor area9288
Dimensions129 x 72 ft
Ceiling height12 ft
Configurations5
Capacity by setup
1000
Theater
750
Banquet
550
Classroom
134
U-Shape
1200
Reception
O'Hare Ballroom
6391
·
77 x 83 ft
·
14 ft ceiling
Max capacity800
Floor area6391
Dimensions77 x 83 ft
Ceiling height14 ft
Configurations5
Capacity by setup
500
Theater
480
Banquet
320
Classroom
75
U-Shape
800
Reception
Grand Ballroom 4
4536
·
63 x 72 ft
·
18 ft ceiling
Max capacity480
Floor area4536
Dimensions63 x 72 ft
Ceiling height18 ft
Configurations5
Capacity by setup
480
Theater
300
Banquet
300
Classroom
70
U-Shape
400
Reception
Terminal 5
3652
·
44 x 83 ft
·
14 ft ceiling
Max capacity450
Floor area3652
Dimensions44 x 83 ft
Ceiling height14 ft
Configurations5
Capacity by setup
260
Theater
250
Banquet
170
Classroom
75
U-Shape
450
Reception
Terminals 1, 2 & 3
2739
·
33 x 83 ft
·
14 ft ceiling
Max capacity300
Floor area2739
Dimensions33 x 83 ft
Ceiling height14 ft
Configurations5
Capacity by setup
220
Theater
160
Banquet
150
Classroom
65
U-Shape
300
Reception
Salons 8, 9, 10
2448
·
34 x 72 ft
·
12 ft ceiling
Max capacity300
Floor area2448
Dimensions34 x 72 ft
Ceiling height12 ft
Configurations5
Capacity by setup
250
Theater
180
Banquet
140
Classroom
60
U-Shape
300
Reception
Grand Ballroom 1, 2, 3 or 5, 6, 7
2343
·
33 x 72 ft
·
12 ft ceiling
Max capacity300
Floor area2343
Dimensions33 x 72 ft
Ceiling height12 ft
Configurations5
Capacity by setup
250
Theater
180
Banquet
140
Classroom
60
U-Shape
300
Reception
Terminals 1 & 2
2112
·
33 x 64 ft
·
14 ft ceiling
Max capacity200
Floor area2112
Dimensions33 x 64 ft
Ceiling height14 ft
Configurations5
Capacity by setup
180
Theater
130
Banquet
96
Classroom
58
U-Shape
200
Reception
Terminals 2 & 3
2046
·
33 x 62 ft
·
14 ft ceiling
Max capacity200
Floor area2046
Dimensions33 x 62 ft
Ceiling height14 ft
Configurations5
Capacity by setup
170
Theater
120
Banquet
96
Classroom
56
U-Shape
200
Reception
Key amenities
Everything available on-site for your event and guests.
Location & transportation
9550 W Higgins Rd, Rosemont, Illinois, 60018
