Thelma Keller Convention Center

All-inclusive venue

The venue takes care of it all - food and beverage, rentals, the works!

Full wedding (ceremony and reception) pricing

Starting at $3,000

Guest capacity

Up to 1000 seated guests

About this venue

We pride ourselves to be the “One Stop Shop” and will help you make every decision. We take care of setup and tear down, decorating, catering, floral arrangements, lighting, backdrops, and much more! Our goal is to make your wedding day very memorable, joyous, and stress-free! We strive to give you the perfect atmosphere, outstanding food and banquets, and overall customer service.

Seated guest capacity

  • 30-1000

Venue type

  • Ballrooms, Banquet Halls

Venue setting

  • Indoor
1202 N Keller Dr, Effingham, IL 62401

Our event spaces

Ballroom

Book the entire ball room!

This space can comfortably fit a banquet of 1000 people and it our largest space.

Guest capacity

500-1000 Seated

Up to 1500 Standing

Square footage

10,500

Ideal for

Wedding reception

Room cost

$3000 per day

Ballroom

Book the entire ball room!

This space can comfortably fit a banquet of 1000 people and it our largest space.

Guest capacity

500-1000 Seated

Up to 1500 Standing

Square footage

10,500

Ideal for

Wedding reception

Room cost

$3000 per day

Available services that can be provided by Thelma Keller Convention Center

Services & amenities

  • Bar services
  • Catering services
  • Clean up
  • Dance floor
  • Dressing room / Bridal Suite
  • Event coordinator
  • Event staff
  • Lighting/Sound
  • On-site accommodations
  • Service staff
  • Set up
  • Wifi

Reviews

Write a review
Rating: 5.0

5.0 out of 5

1 review

  • DF

    Darcy F.

    Rating: 5
    •Incentivized review
    •Jun 24, 2026

    Best of the Best

    Keller Convention Center is a top-tier venue. Their staff is made up of industry experts who can answer every question, fix any crisis, and make your event planning stress-free, start to finish. You can be as hands-on or hands-off as you prefer. It was awesome not to stress about catering, decor, bar, and more! Patty Greene is truly the best of the best. Our wedding day was perfect and a lot of that was because of our experience with Keller Convention Center.

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