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Gateway Convention Center

One Gateway Dr., Collinsville, IL 62234

(800) 289-2388

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Overview

Red Diamonds

Just 10 minutes from St. Louis, the Gateway Convention Center is a full service convention center with space for large conventions, small meetings, formal wedding receptions and everything in between.  With in-house catering, decor services, and audio-visual equipment, the staff at the convention center will meet all of your needs from start to finish.  Conveniently located near major highways, hotels, restaurants and shopping.

Amenities

Red Diamonds
Sports
Sports Venue
  • Restrooms:
  • Concession Stand:
  • PA System:
  • Total SeatingCapacity: 1020
  • Meeting Room:
  • Number of Parking Spaces: 800
  • Lights:
Other Venues
  • Gymnastics Square Footage: 40000
  • Cheerleading/Dance Squad Square Footage: 40000

Location

Red Diamonds

Meetings

Red Diamonds
Facility Info
Meeting Rooms
  • Largest Room 20400
  • Total Sq. Ft. 50000
  • Number of Rooms 23
Center Hall
  • Total Sq. Ft.: 20400
  • Width: 204
  • Length: 100
  • Height: 26
  • Booth Capacity: 116
  • Theater Capacity: 2320
  • Classroom Capacity: 1148
  • Banquet Capacity: 1280
Center Hall A
  • Total Sq. Ft.: 9800
  • Width: 98
  • Length: 100
  • Height: 26
  • Booth Capacity: 49
  • Theater Capacity: 1320
  • Classroom Capacity: 540
  • Banquet Capacity: 528
Center Hall B
  • Total Sq. Ft.: 10400
  • Width: 104
  • Length: 100
  • Height: 26
  • Booth Capacity: 56
  • Theater Capacity: 1400
  • Classroom Capacity: 600
  • Banquet Capacity: 536
Great Rivers Ballroom
  • Total Sq. Ft.: 19700
  • Width: 197
  • Length: 100
  • Height: 14
  • Booth Capacity: 87
  • Theater Capacity: 2415
  • Classroom Capacity: 1292
  • Banquet Capacity: 1216
Great Rivers Ballroom A
  • Total Sq. Ft.: 4500
  • Width: 45
  • Length: 100
  • Height: 14
  • Theater Capacity: 420
  • Classroom Capacity: 238
  • Banquet Capacity: 224
Great Rivers Ballroom B
  • Total Sq. Ft.: 5000
  • Width: 50
  • Length: 100
  • Height: 14
  • Booth Capacity: 24
  • Theater Capacity: 500
  • Classroom Capacity: 272
  • Banquet Capacity: 296
Great Rivers Ballroom C
  • Total Sq. Ft.: 5000
  • Width: 50
  • Length: 100
  • Height: 20
  • Booth Capacity: 24
  • Theater Capacity: 295
  • Classroom Capacity: 224
  • Banquet Capacity: 256
Great Rivers Ballroom D
  • Total Sq. Ft.: 3800
  • Width: 38
  • Length: 100
  • Height: 20
  • Booth Capacity: 14
  • Theater Capacity: 300
  • Classroom Capacity: 140
  • Banquet Capacity: 184
Salon 1
  • Total Sq. Ft.: 1650
  • Width: 50
  • Length: 33
  • Height: 20
  • Theater Capacity: 143
  • Classroom Capacity: 72
  • Banquet Capacity: 64
Salon 2
  • Total Sq. Ft.: 1650
  • Width: 50
  • Length: 33
  • Height: 20
  • Theater Capacity: 195
  • Classroom Capacity: 99
  • Banquet Capacity: 96
Salon 3
  • Total Sq. Ft.: 1650
  • Width: 50
  • Length: 33
  • Height: 20
  • Theater Capacity: 143
  • Classroom Capacity: 72
  • Banquet Capacity: 64
Salon 4
  • Total Sq. Ft.: 1255
  • Width: 38
  • Length: 33
  • Height: 20
  • Theater Capacity: 95
  • Classroom Capacity: 45
  • Banquet Capacity: 48
Salon 5
  • Total Sq. Ft.: 1255
  • Width: 38
  • Length: 33
  • Height: 20
  • Theater Capacity: 120
  • Classroom Capacity: 55
  • Banquet Capacity: 56
Salon 6
  • Total Sq. Ft.: 1255
  • Width: 38
  • Length: 33
  • Height: 20
  • Theater Capacity: 99
  • Classroom Capacity: 48
  • Banquet Capacity: 48
LaSalle
  • Total Sq. Ft.: 4745
  • Width: 73
  • Length: 65
  • Height: 13
  • Booth Capacity: 26
  • Theater Capacity: 640
  • Classroom Capacity: 308
  • Banquet Capacity: 312
Illini
  • Total Sq. Ft.: 777
  • Width: 37
  • Length: 21
  • Height: 10
  • Theater Capacity: 90
  • Classroom Capacity: 48
  • Banquet Capacity: 48
Illini A
  • Total Sq. Ft.: 378
  • Width: 18
  • Length: 21
  • Height: 10
  • Theater Capacity: 45
  • Classroom Capacity: 15
  • Banquet Capacity: 24
Illini B
  • Total Sq. Ft.: 378
  • Width: 18
  • Length: 21
  • Height: 10
  • Theater Capacity: 45
  • Classroom Capacity: 15
  • Banquet Capacity: 24
Marquette
  • Total Sq. Ft.: 1700
  • Width: 50
  • Length: 34
  • Height: 12
  • Theater Capacity: 190
  • Classroom Capacity: 62
  • Banquet Capacity: 80
Marquette A
  • Total Sq. Ft.: 850
  • Width: 25
  • Length: 34
  • Height: 12
  • Theater Capacity: 114
  • Classroom Capacity: 31
  • Banquet Capacity: 40
Marquette B
  • Total Sq. Ft.: 816
  • Width: 24
  • Length: 34
  • Height: 12
  • Theater Capacity: 105
  • Classroom Capacity: 34
  • Banquet Capacity: 40
Mississippian
  • Total Sq. Ft.: 1700
  • Width: 50
  • Length: 34
  • Height: 12
  • Theater Capacity: 207
  • Classroom Capacity: 74
  • Banquet Capacity: 96
Cahokian
  • Total Sq. Ft.: 609
  • Width: 29
  • Length: 21
  • Height: 10
  • Theater Capacity: 76
  • Classroom Capacity: 32
  • Banquet Capacity: 40

Events