GRIT BOX Fitness

High Intensity Fitness community!

Kickboxing, HIIT Bootcamp, Personal Training, 24 Hour Gym

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GRIT(n) /grit/ :        


: the perseverance to overcome obstacles or challenges that lie within a gritty individual's path to success

: toughness, courage; firmness of mind and spirit
: a positive trait based on an individual's passion for a goal



Kickboxing Classes

We specialize in high intensity Kickboxing classes that combine strength training, cardio and High-Intensity Intervals (HIIT) for a total body workout experience.

Learn more about our Kickboxing Classes.

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GRITfit Bootcamp Classes

GRITfit Bootcamp is our custom interval strength training class designed to take your strength and conditioning to the next level. Join us for one of our bootcamp classes and start crushing your fitness goals. 

Learn more about our Bootcamp Classes.

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Personal Training

At GRIT BOX, every new client starts their journey with a full assessment and program overview to ensure that your goals are our goals.

Learn more about Personal Training.

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Rock Steady Boxing

Rock Steady Boxing is a boxing-inspired fitness program designed for people with Parkinson's Disease. These classes have proven that anyone, at any level of Parkinson's, can lessen their symptoms, slow the progression, and lead a healthier and happier life.

Learn more about Rock Steady Boxing.

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Our Purpose

At our gym, we deliver diverse and inclusive fitness programs to maximize your results while also offering fitness options for people with special needs in Charleston, SC. Becoming a part of our community creates opportunities for others. We pride ourselves in a fun, hard-working culture, with a mission for healthier and more fulfilled lives. We invite people of all fitness levels to come experience the best local fitness community in town.