Organize a meeting or event

Share your expectations with our experienced organizers who will inform you about rates and room availability.

  • 14

    Event Rooms

  • 1,727 sq m

    Total Event Space

  • 1,250

    Capacity Largest Space

  • 20

    Maximum Breakout Rooms

About This Venue

  • Reserve one of our sophisticated Oak Brook ballrooms for your ideal wedding of up to 1,200 guests

  • Book a block of 10 or more rooms for your out-of-town wedding guests and enjoy a special group rate

  • Enjoy stress-free planning for your special event when you work with our experienced planners

  • Seat 1,000 guests reception style in our Oak Brook and Grand Ballrooms, divisible into sections

  • Create a custom menu from our catering options that will impress guests at your wedding reception

  • Out-of-town guests will love our spacious hotel rooms and convenient location near local attractions

Capacity Chart

Convert Feet | Reset
  • Burr Ridge
  • 4.3x7.3x3
  • 31
  • 12
  •  
  • 12
  •  
  •  
  •  
  • Salon H
  • 7.6x4.3x3
  • 33
  • 20
  • 15
  • 10
  • 15
  • 20
  • 20
  • Elmhurst 1
  • 7.3x4.9x3
  • 37
  • 44
  • 22
  • 13
  • 18
  • 44
  • 33
  • Villa Park
  • 5.5x7.9x3
  • 43
  • 14
  •  
  • 14
  •  
  •  
  •  
  • Salon E
  • 7.6x6.7x3
  • 51
  • 45
  • 20
  • 20
  • 20
  • 40
  • 40
  • Salon F
  • 7.6x6.7x3
  • 51
  • 45
  • 20
  • 20
  • 20
  • 40
  • 40
  • Salon G
  • 7.6x6.7x3
  • 51
  • 45
  • 20
  • 20
  • 20
  • 40
  • 40
  • Elmhurst 2
  • 7.3x6.7x3
  • 52
  • 61
  • 31
  • 18
  • 18
  • 61
  • 46
  • Elmhurst 3
  • 7.3x7.6x3
  • 57
  • 68
  • 35
  • 20
  • 18
  • 68
  • 51
  • Lombard
  • 7.6x7.6x3
  • 58
  • 50
  • 26
  • 24
  • 20
  • 45
  • 50
  • Elmhurst 4
  • 7.3x7.9x3
  • 59
  • 71
  • 36
  • 21
  • 18
  • 71
  • 53
  • Wheaton
  • 7.9x7.9x3
  • 63
  • 50
  • 26
  • 24
  • 20
  • 45
  • 50
  • Westchester
  • 7.9x7.9x3
  • 63
  • 50
  • 26
  • 24
  • 20
  • 45
  • 50
  • La Grange
  • 7.6x10.4x3
  • 79
  • 60
  • 45
  • 24
  • 20
  • 50
  • 60
  • Salon B
  • 7.3x12.8x5.2
  • 94
  • 120
  • 70
  • 35
  • 30
  • 90
  • 80
  • Salon C
  • 7.3x12.8x5.2
  • 94
  • 120
  • 70
  • 35
  • 30
  • 90
  • 80
  • Ballroom Foyer
  • 6.1x24.4x3.7
  • 149
  •  
  •  
  •  
  •  
  •  
  •  
  • Salon D
  • 14.6x11.6x5.2
  • 170
  • 225
  • 100
  • 55
  • 50
  • 200
  • 120
  • Salons B & C (combined)
  • 14.6x12.8x5.2
  • 187
  • 250
  • 120
  • 60
  • 55
  • 225
  • 160
  • Marquis Room
  • 12.8x15.2x2.4
  • 195
  • 200
  • 80
  • 45
  • 40
  • 200
  • 160
  • Salon A
  • 13.7x24.4x5.2
  • 334
  • 350
  • 200
  •  
  • 55
  • 350
  • 320
  • Foyer & Salons E-H (combined)
  • 13.7x24.4x3
  • 334
  • 320
  • 200
  •  
  • 55
  • 250
  • 320
  • Salons B, C & D (combined)
  • 14.6x24.4x5.2
  • 357
  • 575
  • 290
  •  
  •  
  • 575
  • 320
  • Salons A-D (combined)
  • 28.3x24.4x5.2
  • 691
  • 1000
  • 500
  •  
  •  
  • 1000
  • 640
  • Oak Brook Ballroom (A-H)
  • 42.1x24.4x5.2
  • 1,026
  • 1250
  • 700
  •  
  •  
  • 1250
  • 1000
  • Oak Brook Room
  • 0x0x0
  • 0
  • 40
  •  
  •  
  •  
  •  
  • 40

Chicago Marriott® Oak Brook