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NJ Ronin Jiu Jitsu and Striking Academy
5 ★★★★★ 112 Google reviews · BJJ gym in Hackettstown, New Jersey
Affiliated academy — reviews and the gym's own info point to a recognized BJJ lineage or affiliation (think Gracie Barra, 10th Planet, Renzo Gracie, Alliance, Atos or Checkmat). If lineage matters to you, ask which affiliation the academy belongs to and under whom the head instructor earned their black belt.
Plan your first class
- Free trial or intro class most gyms welcome new members with a free trial or intro class — check their site or give them a call to book your first session
- Beginner-friendly all levels welcome, including total beginners — you don't need to be fit or have any experience to start
- Kids & youth classes kids and youth BJJ classes — built around discipline, focus, and confidence
- Private lessons private, one-on-one coaching available — a focused way to start or to work around a busy schedule; ask about availability and rates
- No-gi no-gi grappling classes — training in a rashguard and shorts, with faster scrambles and a natural bridge to MMA
- Open mat open-mat rolling sessions for members to practice live — always optional and at your own pace
- Competition team a competition team for members who want to test themselves at tournaments
- Today see hours ·
- Website & schedule njronin.com — book classes and see the live schedule
- Phone +1 973-797-9420
Hours
| Monday | 4:30–9 pm |
| Tuesday | 4:30–9 pm |
| Wednesday | 4:30–9 pm |
| Thursday | 4:30–9 pm |
| Friday | 4:30–9 pm |
| Saturday | 9:30 am–1 pm |
| Sunday | Closed |
The classes they run
“There is something about the class, the instructors, Danny the owner, and the atmosphere that allows for children to build confidence and learn respect and admiration for others.”
“This gym has such so much to offer, a great variety of classes, culture is excellent, and there is tremendous support if you want to compete in BJJ.”
“The open mat was welcoming to all disciplines, so sparring and rolling rounds were 🔥 I recommend everyone to check out this gym in Hackettstown 🤙”
Other martial arts here
“You can't go wrong signed up to start your MMA, Kickboxing, or grappling journey here.”
“You can't go wrong signed up to start your MMA, Kickboxing, or grappling journey here.”
What members say
“Danny is a great coach because it’s obvious he cares for his students while still pushing you to become a better athlete, teammate, and person.”
“You can help but learn in this kind of environment, and it's welcoming for experienced and less experienced students, male and female, old and young.”
“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.”
“Attending class became a way to learn new techniques while also hanging out with the new friends I have made.”
“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 is something about the class, the instructors, Danny the owner, and the atmosphere that allows for children to build confidence and learn respect and admiration for others.”
From the reviews
We can not give Danny enough praise! Our son attended class for 2-3 years and loved every minute of it. 3 years after he last attended class, Danny reached out to us asking about our son and how he was doing and that he missed him.
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.
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.
I attended a class one Saturday at NJ Ronin and was welcomed so warmly by the owner who showed me around the really well equipped, maintained and clean, overall super cool gym. The vibes inside are really fun and their attention to detail is amazing. It did not stop at the interior design.
New to BJJ? Start at NJ Ronin Jiu Jitsu and Striking Academy
NJ Ronin Jiu Jitsu and Striking Academy comes up as a beginner-friendly gym — noted on their own site. If you've never rolled or set foot on a mat, that's exactly who a good beginners program is for. A few things worth knowing before your first week. First, you don't need to be fit or flexible to start — you get in shape by training, not before it, and coaches scale the intensity to you. Second, you won't be thrown into hard rolling — reputable gyms build fundamentals (positions, escapes, and basic submissions) for weeks, live rolling eases in gradually, and tapping early keeps every roll safe. Third, all levels really are welcome — ask about a dedicated beginners or fundamentals class time so your first session is alongside others who are also starting out, and leave your ego at the door. Most gyms are happy to let you watch or try a class first, so reach out before you commit.
Your first BJJ class at NJ Ronin Jiu Jitsu and Striking Academy
Nervous about walking into a BJJ gym for the first time? Almost everyone is, and good coaches expect beginners to come through the door. Here's what to know. What to expect: a typical first class is a warm-up, then drilling basic positions and escapes with a partner — not hard sparring. Rest whenever you need to; no one will bat an eye. What to wear: athletic wear you can move in (or a gi if you have one); you'll train barefoot on the mats. What to bring: water and a mouthguard if you have one — many gyms lend a loaner gi for a first class, so it's worth asking when you call. As you keep training you'll add your own gi (or a rashguard and shorts for no-gi) and a mouthguard. Live rolling eases in gradually, once your fundamentals are solid. Arrive 10–15 minutes early to sign a waiver and meet the coach. It gets easier fast — most people feel far more at home by their third class.
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