Mt. Baldy Aquatics (MBA) is a non-profit organization that was established in 1976 to serve youth swimmers who live in Claremont, Upland, and the surrounding communities. The club is governed by USA Swimming, and participates in the Eastern Section of Southern California Swimming.

MBA is family oriented, encourages parent participation, and emphasizes technique instruction and high quality workouts in a low pressure environment. It offers competitive swimming as well as physical conditioning programs for children that have achieved at least Red Cross level 4 swimming ability.

MBA's goal is to be a competitive team and afford each swimmer a chance to achieve to the best of his or her ability.