Thelma Keller Convention Center

About the venue

Welcome to Central Illinois’ premier meeting destination… Deluxe conference facilities.

Impeccable service. Dedicated staff. On-site technical and meeting planning resources. The amazing décor. It is all here at the Thelma Keller Convention Center. Warm hues and imported furnishings surround you in a refined atmosphere of sophisticated comfort. Take a step back in time to Old World England where hospitality and charm combine to create an atmosphere of distinctive style and elegance. Come enjoy the exquisite atmosphere of the Thelma Keller Convention Center, located in Effingham, Illinois. Groups and Meetings One of Central Illinois' largest Meeting Facilities Deluxe Conference Facility. Impeccable Service and Sales Staff. Sales Director since 1988. Banquet Manager since 1976. Set-Up Manager since 1977. Award-Winning Food and Chef. On-site technical and meeting planning resources. AFFORDABLE RATES W/SUPERIOR SERVICE. Perfect for Trade Shows. Smoke-Free environment. Full line of Audio Visual equipment. One of Central Illinois’ largest meeting facilities, the Thelma Keller Convention Center offers over 20,000 square feet of flexible meeting and exhibit space. It is perfect for meetings with general sessions and breakout sessions. The Grand Ballroom measures 10,500 square feet and can be used as one large space or divided into smaller units. The facility is designed to accommodate groups from 10 people to 1,500. Perfect for trade shows Full line of audiovisual equipment Smoke free environment Complimentary parking Affordable rates with superior quality