Travel
The closest hotels we would recommend are in Oak Brook, which is approximately a 15 minute suburban drive. There are AirBnB's in some nearby towns (Oak Park/Forest Park).
Hotels in Chicago would be convenient as well; Riverside is approximately 10 miles west of Chicago's Loop. The commuter rail, Metra comes right into Riverside, 1/2 block from the venue, departing from/returning to Union Station in Chicago's downtown Loop regularly.
There is plenty of parking onsite at the Riverside Swim Club.
If the parking lot fills up, there is also a village parking lot just east of the Swim Club at 56 Bloomingbank Rd. Parking in the BLUE spots is free on weekends; do not park in the brown spots (those are for monthly parkers.) You may also park on Riverside streets!