The St. Charles County Family YMCA in St. Peters, Missouri is more than just a quality fitness center. If you’re looking for a way to boost your health, make friends, spend some time with the family or get involved in your local community, a membership at the YMCA is perfect for you. With your Y membership, you can visit and access any of our 24 branches throughout Missouri and Illinois. Come and meet our team to see what a YMCA membership can do for you and your family!