Fox Lake is a village in Grant Township, Lake County, Illinois and Richmond Township, McHenry County, Illinois. The population was 9,178 at the 2000 census. Many Chicagoans establish summer homes in Fox Lake. The village is situated among the Chain O'Lakes, a great place to swim, boat, jet ski, and go tubing and boarding. In 2006, there was an estimated 28,000 registered boats on the chain belonging to residents (including summer residents) and 'weekend warrior' boaters.