“Water park” covers two different outings here: a larger seasonal venue with slides and pools, or a timed inflatable obstacle session on a lake. Check the child's age, swimming confidence and the calendar before choosing.
| Venue | What the ticket is for | Date checked 25 September 2026 |
|---|---|---|
| Adventure World, Bibra Lake | Theme park with water attractions | Season opens 26 September; day-by-day hours |
| Perth's Outback Splash, Bullsbrook | Slides, lagoon and other park activities | Season opens 26 September; day-by-day hours |
| Perth Aqua Park, Baldivis | Inflatable lake obstacle-course session | Reopens 17 October |
_1.jpg){kind=link}
For a whole park day
Adventure World combines theme rides and water attractions. Check its individual ride requirements and supervision rules; an admission ticket does not guarantee access to every water activity. Kingdom Falls has rules for children and non-swimmers. The 2026/27 season begins 26 September, but the daily operating calendar still applies.
Perth's Outback Splash in Bullsbrook also begins its season on 26 September. The operator's water attraction list includes slides and splash areas, and the access guide sets conditions for each. Water safety rules apply throughout the visit. See our Outback Splash guide for the family logistics. Neither park's current ticket price is fixed in this article because dates and packages vary.
For a timed inflatable session
Perth Aqua Park in Baldivis runs an inflatable obstacle course on a lake. It lists a 17 October 2026 reopening, so it is not open for the 26 September to 11 October public school break. For the main course the operator's tickets and rules specify a minimum age of six; six- to nine-year-olds need a participating adult aged at least 18, with a one-to-four adult-to-child limit. Sessions are timed and buoyancy aids are required. Confirm the current rules, weather status and waiver when booking.
Safer expectations
Stay close to children even when lifeguards are present. Check swim nappies, footwear, lockers, shade and outside-food rules directly with each operator. A venue-specific licensed photo was not verified for Outback Splash or Perth Aqua Park, so the dated Adventure World ride photograph is used only for the separate Adventure World section. For a free swim-and-play idea, see family beaches and check conditions there too.