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You’ve Got a Body, We’ve Got A Plan!
Boot Camp
Strength and Cardio Program
Don’t lose your motivation! Get amazing results with our Boot Camp Classes!
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What is KidFit?
Teach your children the value of fitness at a young age. Our instructors teach proper nutrition and fitness goals that last a lifetime.  
Tuesday: 6:15pm and Saturday: 10:30am
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Ultimate Fitness is a locally-owned 24-hour fitness center located in Sioux City IA, Sergeant Bluff IA and Beresford SD. We are not a franchise and we pride ourselves in giving members a clean, motivating and non-intimidating atmosphere. If you have never joined a gym and you would like to start, we make it incredibly easy and fast. We make it even easier to get started by offering online joining so you can get started right away.
KidFit Classes
Join Now.
Join online now for any of our locations and pay $0 initiation fees! Quick and easy!
NEW MEMBERSHIP OPTIONS FOR OUR SIOUX CITY LOCATION



99 days for $99. Must be ages 14-21 and have a valid school ID
Summer is finally here! Get your bronze tan with our tanning beds. Tanning is open to the public. Many packages available including our tanning only package now available!
Tanning