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Williamsburg MMA

4.9 ★★★★★ 30 Google reviews · Judo dojo in Brooklyn, New York

Beginners welcome Kids & teens Private lessons

Plan your first class

  • 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 judo 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
  • Today see hours ·
  • Website & schedule williamsburgmma.com — book classes and see the live schedule
  • Phone +1 718-916-7492

Hours

Monday 6 am–12 am
Tuesday 6 am–12 am
Wednesday 6 am–12 am
Thursday 6 am–12 am
Friday 6 am–12 am
Saturday 6 am–12 am
Sunday 6 am–12 am

Hours shift for holidays, seminars, and open-mat times — worth a quick check before a special trip.

The classes they run

Judo classes on the schedule at Williamsburg MMA, confirmed in members' own reviews and the dojo's own info — not guessed from the sign out front.

🌱 Beginners 7 mentions

“Roger and Diego both are high level experts who are incredible at teaching all levels while creating an open, friendly and extremely fun learning environment.”

All dojos that run beginners →

🧒 Kids Judo 5 mentions

“Roger has been doing martial arts since he was a kid and comes from one of the most elite camps in the country, and Diego has been his student since the school first opened.”

All dojos that run kids judo →

👤 Private Lessons

“Private lesson with Diego while visiting from Philly.”

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Other martial arts here

Judo dojos are often multi-discipline. Here's what else members mention training under the same roof at Williamsburg MMA — mined from their reviews and the dojo's own info.

🥋 Brazilian Jiu-Jitsu 2 mentions

“So much so that I felt comfortable with starting jiu jitsu, which is something I never thought I'd be doing.”

Other dojos that also teach brazilian jiu-jitsu →

🏟️ MMA 9 mentions

“I've been training 3-4 times a week and I can feel an actual difference in my life since joining Williamsburg MMA”

Other dojos that also teach mma →

Disciplines are mined from reviews and the dojo's own info — they show what members have trained, not a formal class guarantee. If you specifically want BJJ, wrestling, or sambo alongside your judo, confirm the current schedule with the dojo.

What members say

The things reviewers bring up again and again across 30 Google reviews — in their own words.

🧑‍🏫 expert, high-level coaching 2 mentions

“Diego is a great instructor as well.”

🌱 welcoming to beginners 11 mentions

“Roger and Diego both are high level experts who are incredible at teaching all levels while creating an open, friendly and extremely fun learning environment.”

🤝 respectful, no-ego dojo 13 mentions

“Roger and Diego both are high level experts who are incredible at teaching all levels while creating an open, friendly and extremely fun learning environment.”

🧒 strong kids program 2 mentions

“My kid could use discipline and focus that comes with training MMA.”

🧠 builds confidence & discipline 5 mentions

“Roger is patient with the kids, allowing them to have fun but also keeping them focused.”

From the reviews

I was looking for a credible boxing gym but was nervous because I've never done something like that before in life. Williamsburg MMA is an absolutely incredible place filled with an extremely welcoming group of people, an amazing Professor (coach) and a focus on helping its students succeed at their goals and to push…

★★★★★ — Adam, Aug 2017

Roger and Diego both bring a tremendous knowledge base and experience level to every class and know how to coach, train and encourage you to be better, Couldn't ask for a better experience personally. I've been training 3-4 times a week and I can feel an actual difference in my life since joining Williamsburg MMA

★★★★★ — Stephen, Aug 2023

I’ve been training 2-3 times a week at WMMA for just over three years. I highly recommend MMA for its enormous physical and mental benefits. Unlike other workout places, this is a sport that requires you to show up for yourself first and foremost...

★★★★★ — Elizabeth, Jan 2020

Williamsburg MMA is a great place to train. I had no experience before I started boxing at WMMA almost a year ago. Prof. Roger's instruction is excellent for beginners and advanced members alike, and I'm always leaving class with a new perspective on the sport and my progress.

★★★★★ — Matt, Jan 2019

Excerpts from public Google reviews. Read all 30 reviews →

New to judo? Start at Williamsburg MMA

Williamsburg MMA comes up as a beginner-friendly dojo, going by their listing and members’ reviews. If you've never stepped 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 sensei scale the intensity to you. Second, you'll start by learning to fall safely (ukemi) — reputable dojos build fundamentals (breakfalls, grips, a first throw and some groundwork) for weeks, live randori eases in gradually, and tapping early keeps everyone safe. Third, all levels really are welcome — ask about a dedicated beginners class time so your first session is alongside others who are also starting out, and remember to bow in and show respect (rei). Most dojos are happy to let you watch or try a class first, so reach out before you commit.

Check beginner classes on their site

Your first judo class at Williamsburg MMA

Nervous about walking into a judo dojo for the first time? Almost everyone is, and good sensei expect beginners to come through the door. Here's what to know. What to expect: a typical first class is a warm-up, learning to fall safely (ukemi), then drilling a throw or two and some groundwork with a partner — not hard randori. Rest whenever you need to; no one will bat an eye. What to wear: athletic wear you can move in (or a judogi if you have one); you'll train barefoot on the mats. What to bring: water and a mouthguard if you have one — many dojos lend a loaner judogi for a first class, so it's worth asking when you call. As you keep training you'll add your own judogi. Live randori eases in gradually, once your fundamentals are solid. Arrive 10–15 minutes early to sign a waiver and meet the sensei. It gets easier fast — most people feel far more at home by their third class.

Judo is a contact sport. Ease in, tap early and often, listen to your sensei, and if you have any injuries or health concerns, mention them before class and check with a doctor if you're unsure.

Where to find Williamsburg MMA

42A Dobbin St, Brooklyn, NY11211

Get directions

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Listing verified July 2026 from public business records and member reviews. Something out of date? Report a correction. Own this dojo? Claim your listing — it's free.