O'Fallon Illinois YMCA
Branch Hours
| Mon - Thu: | 5 am - 9 pm |
| Fri: | 5 am - 8 pm |
| Sat: | 7 am - 5 pm |
| Sun: | Noon - 5 pm |
AM Child Watch Hours
| Mon - Sat: | 7:45 am - 12 pm |
| Sun: | Closed |
PM Child Watch Hours
| Mon - Thu: | 4-8 pm |
| Fri - Sun: | Closed |
Branch Hours
| Mon - Thu | 5 am - 9 pm |
| Fri | 5 am - 8 pm |
| Sat | 7 am - 5 pm |
| Sun | Noon - 5 pm |
Holiday Hours
| Memorial Day | 7-11 am |
Welcome to the O'Fallon Illinois YMCA – Your Destination for Health, Fitness, and Community
At the O'Fallon Illinois YMCA, we’re more than just a gym—we’re a place where individuals and families come together to improve their health, find support, and connect with their community. From state-of-the-art fitness facilities and group exercise classes to youth programs and swim lessons, there’s something for everyone. Join us today and be part of a welcoming community that’s dedicated to helping you live a healthier, happier life.
Train in Our State-of-the-Art Fitness Center
Achieve your fitness goals at the O'Fallon Illinois YMCA Fitness Center! Equipped with state-of-the-art cardio machines, strength training equipment, and free weights, our space supports all fitness levels. Join us for personalized support and a healthy lifestyle.
Enhance Your Strength in the Functional Fitness Studio
Train smarter in our Functional Fitness Studio! Designed for all fitness levels, this space offers functional training equipment, such as kettlebells, resistance bands, and plyometric boxes, to improve strength, agility, and mobility.
Hit the Court
Step onto our courts at the O'Fallon Illinois YMCA! The Y offers two full-sized Basketball Courts that are perfect for pick-up games, youth sports leagues, pickleball tournaments and more. Whether you're a beginner or a seasoned player, there’s a spot for everyone at the Y.
Dive In! Swim and Play in Our Indoor Pool
Make a splash at the O'Fallon Illinois YMCA Indoor Pool! From lap swimming to water aerobics and family swim time, our temperature-controlled pool is perfect for all ages. Join us for swim lessons or aquatic exercise classes today.
O'Fallon Illinois YMCA Amenities
- Cardio & Strength Training Equipment (open)
- Free Weights (open)
- Indoor Pool (open)
- Locker Rooms (open)
- Group Exercise (Including Les Mills) (open)
- Child Watch (open)
- Certified Personal Training (open)
- Functional Training Studio (open)
- Yoga & Mind Body Studio (open)
- Indoor Track (open)
- Sauna (open)
- Aquatic Group Exercise (open)
- Gymnasium/Basketball Courts (open)
- Pickleball Courts (Indoor) (open)
- Cycling Studio (open)
- Racquetball Courts (open)
- Youth Fitness (Ages 9+) (open)
- Birthday Parties & Rentals (open)
- On-Demand Les Mills Workouts (open)
- Body Composition Analysis (open)
Child Watch
Group Exercise
Pool
Water Fitness
Front Gym
Back Gym
Raquetball
Sports for All
From basketball to soccer to volleyball, YMCA youth sports teach teamwork, build skills, and inspire confidence—all while having fun!
Summer Fun Starts Here
Get Amped for Camp! Keep your kids active, engaged, and inspired this summer with themed activities, swimming, outdoor fun, and lifelong memories at Y Summer Day Camp. Weekly adventures are available for kids ages 5-12.
Thrive at Every Age
The Y is a great place to build relationships and connect with members of your community. We offer day trips, monthly potlucks, clubs—for games like bridge and chess, and so much more for those looking to get involved socially and make new friendships.
Pools, Programs, and Pure Fun
Whether it’s swimming lessons, lap swimming, or water fitness, our pools offer something for everyone—all at the O'Fallon Y! Dive into health and fun today!
Convenient Care, Endless Fun!
From morning workouts to evening date nights, Y child care programs like Child Watch, Schools Out, and Kids Night Out are designed with busy families in mind. The Y offers safe, engaging child care so you can focus on what matters most.
Host Your Party at the Y
Host your next birthday party at the O'Fallon YMCA. Choose from fun options like our Children Center Party (ages 6 & under), Splash Party (ages 3+), or Nerf Party!
🎉 When: Saturdays, 2–4 PM
🎈 Includes: Party area, pool or activity time, and space for treats—up to 25 guests.
💲 Rates: $200 for Y Members | $250 for Non-Members
📅 Book 2–12 weeks in advance at the front desk.
Schedule a tour, fitness orientation, free personal training consultation, and more at the O'Fallon Illinois YMCA.
Schedule a Tour
Schedule a Fitness Orientation
Schedule a Free PT Consultation
Follow Us on Social
Stay Connect
Meet Our Team
Kimberly Melahn
Associate Executive Director
Stephanie Buehlhorn
Director of Membership and AOA
Julie Murphy
District Sports Director
Laurie Phillips
Youth & Family Director
Hannah Bell
Aquatics Director
Austin Prevallet
Health & Wellness Director
Erin Darche
District Vice President
Events at the Y
From family-friendly activities to community gatherings, there's something for everyone. Stay active, connect, and have fun—check out our upcoming events today!
Our Y is more than a gym.
When you give to the Y, you support critical programs and services for young people, adults and families who need them the most.
From ensuring everyone has access to chronic disease prevention programs, to teaching people life skills in our Safety Around Water program, your contributions allow everyone to access the resources and support they need.