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Gateway Convention Center

Wedding venue in Collinsville, Illinois

About Gateway Convention Center

Gateway Convention Center is a flexible event venue in Collinsville with a column-free 40,000-square-foot Main Exhibit Hall, a 5,000-square-foot LaSalle Room with prefunction space, a conference wing, ballrooms and meeting rooms. The rooms can be configured for wedding receptions, banquets, private gatherings and larger events. The center offers in-house catering and bar service, preferred caterers and permitted outside catering under its agreement and cleanup-fee terms. Event support includes planning, décor, audiovisual and production services. The one-level facility is ADA accessible and provides complimentary parking; hotels are nearby.

The facts

Guests
20–3,200 guests
Price
From $5,000
Setting
Indoor
Last updated
November 2026

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On the big wedding guides

  • Not listed on WeddingWire (checked November 2026)
  • Listed on Zola (checked November 2026)

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