Reviews

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  • Patrick Rock III
    Feb 2026

    Family & I looked for somewhere new to train and NJ Ronin is the place. We have been extremely happy with Danny & his staff and how the classes are run. Everyone is welcoming and willing to help you train. I would recommend to anyone wanting to learn.

  • Brad Kohl
    Jan 2026

    My son has been going to NJ Ronin for about 2 years and they do an amazing job with the kids. Coach Danny teaches true lessons besides just the physical ones.

  • Daniela Nicolaescu
    Jan 2026

    We love NJ Ronin!!! My 9-year-old daughter has been training here for the past 4 years, and we couldn’t be happier with our experience. The instructors are amazing! Coach Danny and his team are very professional and they do a great job balancing technique,safety and fun. The environment is very pozitiv and supportive, it feels like a big family! Highly recommend.

  • BeltQuest Jiu Jitsu
    Jan 2026

    We had the chance to cross train with the Ronin crew and it was an outstanding session. Danny has built a safe and welcoming environment where egos are left at the door and everyone is focused on learning and getting better. The saunas are unreal and perfect for recovery after hard training. Truly a top notch BJJ school.

  • Kimberly Kelley
    Jan 2026

    We absolutely love NJ Ronin! Both my son and daughter train there and they look forward to every class. I see confidence and skills growing in them. Coach Danny is AMAZING with kids! He keeps them focus but still has fun while teaching them how to be successful in Jiu Jitsu. I recommend them to everyone.

  • Tjasa Garib
    Dec 2025

    Both of my children have been training with Danny for about 6 months and absolutely love going to every practice. The environment is very positive and encouraging and they both gained a lot of confidence in their abilities.

  • Sean Muldowney
    Jun 2025

    I'd been wanting to take up jiu jitsu for a long time but felt very nervous starting in my 40's with no martial arts background. Of all the gyms I investigated, Ronin by far had the most welcoming culture for inexperienced newcomers. Coach Danny is very professional and very approachable. You learn to dive right into the training environment and you're treated as a peer from day one. You'll learn from Danny and the other coaches and also from the more experienced members.

    Just as important for me is the KIDS classes. My 6 year old daughter started training and coach Danny is masterful with the kids: patient, encouraging, all while challenging them to excel. I've seen my daughter grow in confidence and assertiveness in the past 3 months while making new friends and having a lot of fun.

    There's no better training environment than Ronin. Check out a class!

  • Oweb Farrell
    Jun 2025

    I’m an 18 year old looking for a place to train. Njronin is a great community full of great guys that you can easily bond with. Very technical compared to other gyms and honestly one of the best in New Jersey from someone who’s tried multiple.

  • Kyle Langan
    Apr 2025

    Really friendly environment for newcomers. Class itself was fun, and open mat was a great intensity with a learning, training, and growing mentality.

  • Caleb Isemann
    Feb 2025

    I’m a new member here and it’s like a giant family - Danny and the coaches are super friendly and approachable and they do a great job instructing kids, youth and adults alike. If you’re looking to get serious about Jiu Jitsu/striking, or just get in shape this is the place for you.

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NJ Ronin Jiu Jitsu and Striking Academy

110 Grand Ave, Hackettstown

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Hours

Monday: 4:30 - 9PMTuesday: 4:30 - 9PMWednesday: 4:30 - 9PMThursday: 4:30 - 9PMFriday: 4:30 - 9PMSaturday: 9:30AM - 1PMSunday: Closed