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Jumping Castle Hire St Marys
Looking to level up your next event? Ash Jumping Castles brings the fun straight to you across the St Marys region. We take care of the entire delivery, setup, and pack-down, leaving you free to host and enjoy the day.
St Marys has a strong community feel, and celebrations here happen at parks, school halls and backyards all year round. We’ve been delivering high-quality inflatables here for years. Whether you’re hosting a backyard birthday in Colyton, a school gala in Oxley Park, or a community day in North St Marys or Werrington, we know the local council requirements and what it takes to make a St Marys party unforgettable.
Book a CastleWhy St Marys Families Choose Ash Jumping Castles
- Rated 4.9 stars with over 119 Google reviews from happy customers across Western Sydney
- Huge range of inflatables — from toddler-friendly mini castles to full-size adult combos
- Delivery, setup, and packdown included in every hire
- Sun and rain protection included on all castles
- Safety net at the entrance on every inflatable
- Fully insured with public liability coverage — certificate available on request
- Available 7 days a week, 6am to 10pm, 365 days a year
- No hidden fees

Kids Jumping Castle Hire
We stock a huge range of kids jumping castles to suit every theme and age group. Popular characters include Paw Patrol, Baby Shark, Toy Story, Harry Potter, Hulk, Winnie the Pooh, Minnie Mouse, and more.

Adults Jumping Castles
Planning an 18th or 21st birthday, a corporate family day, or a school formal after-party in St Marys? Our heavy-duty adult inflatables are built for bigger crowds and serious fun. Options include combo castles, bouncing boxing rings, gladiator duels, and giant inflatable slides.
View Adult jumping castlesSumo Suit Hire
A crowd favourite at any event. We offer double sumo suits, traditional warrior suits, kids sumo suits, super hero sumo suits, and a full inflatable sumo arena — imported from the UK for premium quality. Suitable for teens, adults, and corporate events.
View Sumo Suits

Obstacle Courses and Giant Slides
Take your St Marys event to the next level with an inflatable obstacle course. Our range includes the Rock Climber, Monster Obstacle Course, Challenger Course, Energy Burner, and our popular Giant Inflatable Slide. Great for school sports days, large birthday parties, and community fundraisers.
View Obstacle CoursesJumping Castle Hire in St Marys Parks and Venues
St Marys has plenty of great open spaces for inflatable hire. We regularly deliver to:
Coachman’s Park: right in the town centre, a popular choice for birthdays and community gatherings
Cook Park: open lawn and shaded areas, great for family days
Local school ovals: ideal for larger fetes and sports carnivals
Church and community hall venues: we can set up indoors with adequate ceiling height
If you are unsure whether your venue is suitable, just call or text us on 0452 490 616 and we will advise you.
Areas We Deliver Near St Marys
Based in Western Sydney, we cover St Marys and all surrounding suburbs including:
Not sure if we deliver to your street or park? Text us and we will confirm within the hour.






