Welcome to The Gym Inc. 24 Hour Gym Fitness Center

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    Winner of the weekly drawing. We have a new local eatery Willey’s.

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    Max Muscle Nutrition

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    Lost – claim if they belong to you

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    Congratulations to Tanner Berg (on left) who placed 1st place in 242 weight class March 11th in Sioux Falls at the High School Powerlifting Tournament…

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    Congrats to this weeks winners of the “Bet You Can” weight loss challenge. Deb Arbogast is the ladies winner and Derek Moen wins for the guys…

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  • The Gym Inc. 24 Hour Gym Fitness Center is near you.  We are centrally located in downtown Watertown, SD on Kemp Ave.


    We welcome all fitness levels.

    Because our 3 floor 17,000 sq. ft. facility gives you plenty of space to work out, you will not feel intimidated or feel like others are watching you.

    Free Orientation Session provided to new members

    Our personal trainers will provide you with an orientation session on our machines at no charge to give you a sense of confidence in developing a training plan.

    Stop by for a Tour

    Come in and get into the best shape of your life and we will help you reach your fitness goals.  Stop by for a club tour and check us out during our staffed hours.

    The Gym Inc. a 24 Hour Gym Fitness Center located in Watertown, SD. 

    Don’t join anywhere else until you check us out!   

    Call 605-753-5600

    24 Hour Gym

    The Gym Inc. 24 Hour Gym in Watertown SD

    We are a locally owned 24 hour Gym !

    Our goal is to provide member satisfaction, affordability, and a clean friendly environment to meet your fitness needs.

     The largest 24 hour gym Fitness Center in Watertown, SD has Three floors  and over 17,000 square feet.

    • Hydro Massage & Red Light Therapy available
    • Free Wi-Fi & State-of-the-art cardio equipment with “Cardio Theater” (listening system).
    • Complete lines of free weight and Cybex Eagle strength equipment.
    • Over 30 Cardio Machines with no waiting.
    • Adult only club for ages 16 and up.
    • Various Membership options from month to month or longer terms to save money.
    • Private showers, locker rooms and locker rental.
    • 24 Hour Gym with Access to free towels, free tanning & free FAR Infrared Sauna’s.
    • Certified Personal Trainers available for personalized fitness plans.
    • Fitness on Demand Fitness classes.   If it’s hard to make scheduled classes, try our video classes of HIIT Spin, Pilates, Yoga, and more.
    • Conveniently & centrally located in historic Uptown Watertown, SD.

    Come into The Gym Inc. and see for yourself all the benefits we have to offer to you.