Pere Marquette 
13653 Lodge Boulevard North
Grafton, IL 62037
618-786-2331

This full service lodge and conference center is located in an 8000 acre state park. It features 50 guest rooms, 22 cabin rooms, and a Great Room with a 700-ton stone fireplace, a "life-size" chessboard, and a scenic view of the Illinois River. Amenities include a full service restaurant, gift shop, lounge, large indoor pool, tennis court, and meeting and banquet space for up to 300 people. There is hiking, biking and horseback riding nearby. Camping sites are also available.