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!


This is our Sparta Location's website.
To reach our Hackettstown location, click the Switch to Hackettstown button at the top




    Pink Hair because We Care is back.
    Giant Gymnastics of Sparta and Hackettstown will be raising funds for a local sussex county resident and her family for the entire month of October. Ashley Keiling is a 27 year old mother of 3, ages 3 and under. She was diagnosed with invasive ...
    Adult Open Gym returns!
    Adult Open Gym returns to the schedule starting Monday, September 9th! Open gym is from 7:30-8:25pm. Please register online thru this link! ...
    New Class Alert!
    NEW CLASS ALERT! Lil Kippers Age 3 Thursday 9:30-10:15am Register today! https://app.iclasspro.com/parentpor…/giantgymsparta/classes… ...
    Silver Sneakers Senior fitness at Giant
    Giant Gymnastics is host to Silver Sneakers Senior fitness program! The program is open to all adults. Classes are Tuesday and Thursday 11:30am-12:30pm. ...

Flip Shop

Visit our very own proshop for the 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

Save 10% off your monthly tuition when you pay for 4 or more months of classes!

See the office for details!

(Not to be combined with any other offer. Must pay in full to recieve savings.)

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Employment Opportunities

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


    Giant Gymnastics will be in our new location at 3 Park Lake Road starting Monday, March 11, 2019! Visit us at our Grand Re-Opening on Saturday, April 6th from 1-3pm! ...
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