Swimming & water parks
$20median per child
18 published prices · United States
$0$60
Middle half: $5.25–$42.24 per child
0 local prices; at least 5 are needed. So this shows the nationwide range.
Swimming & water parks
The O'Fallon YMCA lists three birthday formats: Children Center for ages six and under, Splash for ages three and up, and Nerf. Each includes an hour of the selected activity, a party area and space for treats. Prices are $200 for YMCA members and $250 for nonmembers. Saturday parties run from 2 to 4 p.m. and can include up to 25 guests. Reservations are made at the front desk two to twelve weeks ahead. Ask which activity is available for your preferred date and what food or treats you may bring.
- Price
- See party packages
How does the price compare?
Swimming & water parks: price range from published packages.
Prices from venues in St. Louis, MO.
This venue: See party packages
No reliably comparable price per child. The bar shows the other venues only, not a price for this one.
Middle half (p25–p75)Median
Starting prices per child; party prices are only divided when the package states how many kids it includes. Minimum spends and unclear prices are left out. Prices in the directory are not live offers. The venue's current price applies.
- Address
- 284 N. Seven Hills Road, O'Fallon, IL 62269
- Phone
- 618-628-7701
Party choices and timing
Children Center is for ages six and under, Splash is for ages three and up, and a Nerf option is also listed. Each party includes one hour of the selected activity and a party area. Saturday reservations are available from 2 to 4 p.m. for up to 25 guests.
Price and reservations
The rate is $200 for YMCA members and $250 for nonmembers. Book at the front desk two to twelve weeks in advance. Ask about food and treat arrangements when reserving.
Questions to ask O'Fallon Illinois YMCA before booking
These eight points decide whether a party works out and what it really costs. It is easiest to go through them in one phone call.
- How many children fit per party, and when does the price go up?
- Is the room private to our group or shared with other guests?
- How long is the package, and when does the clock start?
- Is a host or activity leader included, or do the parents supervise?
- Can we bring our own cake, drinks or food?
- What costs extra: decorations, food, socks, additional adults?
- Until when can we cancel or reschedule for free?
- Is there space for gifts, coats and the parents' waiting time?
FAQ
What party types are available?
The YMCA lists Children Center for ages six and under, Splash for ages three and up, and a Nerf party.
How much does a party cost?
Parties cost $200 for YMCA members and $250 for nonmembers.
When are parties held?
Saturday parties run from 2 to 4 p.m. Reservations are made at the front desk two to twelve weeks ahead.
More places in O'Fallon
Prices, hours and packages last checked on Oct 27, 2026. Information is provided without guarantee. Please confirm details with the venue before booking.
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