chamber office
  • Mediacom Communications Corp
  • Cliffs Insane Terrain, Inc.
  • Middle East Conflict Wall Memorial
    A memorial dedicated to those who have lost their lives fighting 

mem wall[easyembed field="guide"]

Welcome to Marseilles and Seneca!

Come visit our unique and charming communities for their beautiful sandstone bluffs, ravines, woods, fertile fields, prairies, wind-energy farms, state parks, the Illinois & Michigan Canal and, of course, the Illinois River. Stay for our fine schools, entrepreneurial advantages, exceptional quality of life and friendly people. We are strategically located on Interstate 80 and just 90 minutes from downtown Chicago, Rockford, Bloomington and Peoria.

Come visit, live and work in the Illinois River Area where life is simpler, people are kinder and businesses continue to grow, prosper and reinvest in the community. Read More.

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