Map of the U.S. state of Illinois showing the location of Shabbona Lake State Park. Location. Shabbona Lake State Park is an Illinois state park on 1,550 acres (630 ha) in Shabbona Township, DeKalb County, Illinois, United States. Shabbona Lake is a man-made lake created in 1975 by damming the (Big) Indian Creek, a tributary of the Fox River.