If you don’t mind the drive or are convenient to Short Pump, ACAC has a warm water pool with family hours of 3-6 hours/day depending on the day of the week. See link below. You can see the schedule for their regular pool as well.if there’s no classes or lessons going on you can use that anytime too. https://acac.com/short-pump/programs-events/aquatics/pool-schedules/

There’s also the Midlothian location that has a dedicated family pool that you can go to anytime during hours as well as a warm water pool with limited adult only hours you can go anytime outside those hours too. https://acac.com/midlothian/hours/