REACH YOUR FULL POTENTIAL WITH NJ RONIN
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The Way of the Ronin
A Place For The Rest Of Us to Grow.
NJ Ronin is a collection of new and seasoned martial artist focused on creating the perfect training atmosphere. We have a “competitive not malicious” attitude that’s welcoming of all who join.
Conveniently located at 110 Grand Ave in Hackettstown NJ
More Choices. More Training.
Skilled practitioners with diverse backgrounds, techniques, and perspectives will help you reach your goals.
Kids Jiu Jitsu and Striking
Get your kids off technology and onto the mats! Learn Self Defense and Build Confidence.
A sport of unarmed combat derived from jujitsu and intended to train the body and mind. It involves using holds and leverage to unbalance the opponent.
Our Culture
Martial Arts - Fitness - Recovery
Jiu Jitsu, Striking Classes and Fitness for the Entire Family.
Training
We offer Jiu Jitsu, Striking, Judo, Wrestling and more. Open mats and free time on the mats as well.
Recovery
Our Recovery Room is dedicated to healing and wellness. Multiple Saunas, Massage Chair and more.
Fitness
Train off the mats to stay healthy on the mats. We provide the balance needed to be a complete martial artist.
Training, Chilling & Winning
Plug in to a great Community
We are friends and family on and off the mats. Come be a part of a thriving community that trains hard and has fun!
Where To Start?
Everyone has a first day. We’re here to guide you every step of the way.
Instructors
Danny Jantzen
Danny brings his passion for Jiu Jitsu Fundamentals every Monday, Wednesday, and Friday. He is a Brown Belt under Renzo Gracie Black Belt, Jamie Cruz (Cruz Control BJJ) and has been instructing children in Martial Arts since 2012. He is also the competition coach and owner.
Matt Nicolls
Matt is an active fighter with a passion for teaching. He has experience coaching Jiu Jitsu, Fitness, and Striking classes. He is always striving to increase his knowledge in the field and truly enjoys helping others achieve their goals.
Kelly Ryan
Kelly is a knowledgeable Brown Belt in Judo and an active competitor. She shares her knowledge with us every Thursday and has been teaching at NJ Ronin since 2017.
Come Visit Us
Try a free class on us and start changing your life for the better!
Frequently Asked Questions
We would love to answer your questions, some of them are here so that you may quickly go through them. If you have any other queries contact us.
We offer a variety of classes for all fitness levels, including:
- Brazilian Jiu Jitsu (BJJ) – Beginner, Intermediate, and Advanced levels
- Kickboxing – Focus on striking, conditioning, and self-defense
- Fitness Classes – High-intensity training, conditioning, and strength-building sessions
Not at all! We welcome beginners. Our classes are designed to cater to all skill levels, from those who have never stepped on the mats to seasoned fighters. Our instructors will guide you through the fundamentals and help you improve at your own pace.
For BJJ, you’ll need a gi (kimono) or rash guard and shorts for no-gi classes. For Kickboxing, we recommend wearing comfortable workout clothes and boxing gloves. No zippers, jewelry or shoes are permitted during training. If you’re new, we can help you get set up with any gear you might need.
Yes! We have specialized classes for children, teaching them Jiu Jitsu, kickboxing, and general fitness. These classes focus on building confidence, discipline, and respect in a fun and safe environment.
We offer flexible membership options, including:
- Monthly memberships with no long-term commitment
- Family discounts for multiple family members
- Drop-in rates for occasional attendees
Yes, we offer private lessons for Jiu Jitsu, Kickboxing, and general fitness. These sessions are tailored to your individual needs and goals. Please contact us to arrange a private lesson.
There is public parking behind the dominos on main street and on Washington Street. You are allowed to park at the post office when they are closed (after 5pm)
Schedule Your Free Class Today.
Try a free class on us and start changing your life for the better!