20 Years of Building Better Kids and Harder-to-Break Adults. In the Bronx.
BJJ, MMA, and an award-winning kids program. Transforming lives in the Bronx for over 20 years.
No contract. No credit card. No commitment. Just show up.
You Know Something Needs to Change.
Your kid comes home from school unfocused, restless, glued to a screen. You keep telling yourself you'll get back in shape, but the gym membership collects dust. You want something that sticks. Something that builds real discipline, real confidence, real change.
Every week that passes is another week of the same routine. Your kid doesn't get more focused on their own. You don't get stronger by thinking about it. The gap between where you are and where you want to be doesn't close itself.
Jungle Gym exists for exactly this moment. Walk in with your kid or walk in alone. Your first week is free. The transformation starts the day you show up.
Start Your Free Week"My son is a different kid. More confident, more focused, more disciplined."
"The best school around. I know because I looked everywhere first."
Our Programs
From first-timers to families who've trained for years, there's a program built for you.
BJJ & MMA
BJJ and MMA instruction from a Black Belt under Rob Kahn, who trained alongside Royce Gracie, Glover Teixeira, and Kenny Florian.
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Kids MMA
Award-winning program with The Big 7 curriculum and Samurai Sessions life skills.
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After-School Program
We pick up from local schools. Full martial arts training, healthy snacks, life skills.
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Kids Camps
Summer, winter, spring, and holiday break camps. Real martial arts training, arts, science, and life skills.
Learn MoreNo contract. No credit card required.
A Martial Arts Academy. Not a Fight Gym.
Founded by Justin "Master Chim" Garcia, a BJJ Black Belt under Royce Gracie Black Belt Rob Kahn, who earned his reputation training alongside UFC legends Royce Gracie, Glover Teixeira, Kenny Florian, and others. That foundation of hard work, high skill, and tenacity built a martial arts academy respected by the most accomplished names in the MMA and Brazilian Jiu-Jitsu worlds. For over two decades, Jungle Gym has been in the business of transformation, not trophies.
- The Bronx's first martial arts academy, open since day one
- BJJ Black Belt under Royce Gracie Black Belt Rob Kahn
- Trained alongside Royce Gracie, Glover Teixeira, and Kenny Florian
- Respected across the MMA and BJJ community for hard work and high skill
- Award-winning Samurai Sessions life skills program
- Open 7 days a week for students of every level
- Free Power Week trial for all new students
3,000+ Students Exposed Their Kids and Themselves to Jungle Gym. Here's What They Say.
"You will not find a more passionate instructor."
"My kids love it here. The coaches know every child by name. They've learned so much more than fighting."
"Lost weight, gained confidence, and made friends for life. Walking through that door was the best decision I ever made."
"Best decision I ever made for my family. Both my kids train here and they've grown so much as people."
"As a woman, I never felt out of place. The respect on the mats is real. Master Chim creates an environment where everyone belongs."
"I've trained at gyms all over New York. Jungle Gym is the real deal. Professional, organized, and the instruction is top-tier."
Nervous About Walking In? Here's What You Need to Know.
Visit Jungle Gym
Located in the heart of the Bronx on Unionport Road. Walk-ins welcome.
Contact & Hours
Address
1526 Unionport Rd
Bronx, NY 10462
Phone
Hours
Monday - Friday: 10:00 AM - 9:00 PM
Saturday - Sunday: 9:00 AM - 2:00 PM