WE ARE CLOSED Monday, August 29th through Monday, September 5th.

We will reopen on Tuesday, September 6th!



It is our goal at Giant Gymnastics to provide a warm and nurturing environment in which to educate our students of all ages on leading a fit and healthy lifestyle.


We strive to provide a safe and fun atmosphere for our students to learn, play, and grow through gymnastics and other related activities.  Giant Gymnastics and its staff members encourage their students to grow not only physically, but socially as well.  Members are given opportunities to build fit bodies and minds every day!

With 2 Locations, you will be sure to find the program that is right for you and your family.  Let us be the first to welcome you to Giant Gymnastics!


Choose Your Location By Clicking Above

To Learn about Each of our Gyms!


    NEW CLASSES Added starting 9/6!
    Classes are filling fast, so we have added/opened the following classes to help accomodate our Giant Gymnastics families! Register online through the Parent Portal OR by emailing the office at sparta_office@GiantGymnastics.com ! Mondays: NOW OPEN 5:30pm Tumbling Level 2 NOW OPEN 6...
    We are CLOSED August 29 to September 5th!
    Just a reminder that Giant Gymnastics will be CLOSED from Monday, August 29th through September 5th. We REOPEN for classes and team practices on Tuesday, September 6th! See you soon! ...
    Tickets left for Kellogg's Tour of Champions!
    See NJ's own Laurie Hernandez, Simone Biles, Aly Raisman, Gabbie Douglas, along with Nastia Liukin, too! Friday, November 11, 2016 7:30pm at the Prudential Center in Newark. Call or email to reserve your Gymnastics Club DISCOUNTED tickets! 973-579-9400 or Sparta_Office@GiantGymna...
    Register for Friday's Beach Week Open Gym!
    There's still time left to register for this Friday's "Beach Week Open Gym"! 7-8:30pm. Ages 6 and up. $15 members/$20 for non members. MUST Preregister to reserve your spot! 973-579-9400 or sparta_office@GiantGymnastics.com ...

Online Store

Click Here to access our online store for our latest merchandise, gift certificates and special deals from Giant Gymnastics!

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USA Gym Club

usagymclub.com is a site developed by USA Gymnastics to share resources with parent of gymnasts or those who might be interested in getting their children involved in the sport of gymnastics.  usagymclub.com gives parents one place to go to get answers to all of their questions and – through the forum – ask questions of their own.

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Recent Offer

Sign up for classes September through December and SAVE 10%!

Must be paid in full by August 25th.

Buy Now

Employment Opportunities

Giant Gymnastics of Hackettstown and Sparta are seeking experienced girls/boys compulsory and option...


    Giant Gymnastics of Sparta will be celebrating 5 years this July! To celebrate, and thank our surrounding communities for becoming a part of Giant Gymnastics, We're hosting a BIG Celebration Day! We'll reveal our Store's New Name and the contest winners with a Ribbon Cutting Ceremony ...
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