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Mutant Mixed Martial Arts & Kioto Jiu Jitsu
5 ★★★★★ 118 Google reviews · BJJ gym in Oceanside, New York
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
- 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
- Competition team a competition team for members who want to test themselves at tournaments
- Today see hours ·
- Website & schedule mutantmma.com — book classes and see the live schedule
- Phone +1 516-208-6480
Hours
| Monday | 8 am–9 pm |
| Tuesday | 8 am–9 pm |
| Wednesday | 8 am–9 pm |
| Thursday | 8 am–9 pm |
| Friday | 8 am–8 pm |
| Saturday | 10 am–1 pm |
| Sunday | 8–9 am |
The classes they run
“Not only that but he leads a great family friendly kids program perfect for all ages!”
“Whether your goal is to compete or just get in the best shape of your life, this gym gives you everything you need.”
“If you are looking to do professional fighting or just self defense to take care of yourself.”
“They break everything down in a way that’s easy to understand whether you’re a complete beginner or an experienced fighter.”
Other martial arts here
“Amazing gym, amazing environment , if you’re looking to get into MMA or just looking to get into shape this is the place for you”
“Tango is a great coach between his knowledge of striking grappling and wrestling.”
What members say
“Best gym in Oceanside and Nassau county amazing crew of trainees and coach Tengo is an amazing coach, truly life changing,would recommend to absolutely anyone”
“They break everything down in a way that’s easy to understand whether you’re a complete beginner or an experienced fighter.”
“The coaches are highly professional, friendly, and truly care about every student’s progress.”
“Technique, conditioning, and mindset are all emphasized, and you can tell they genuinely care about each member’s progress.”
“Technique, conditioning, and mindset are all emphasized, and you can tell they genuinely care about each member’s progress.”
“Whether your goal is to compete or just get in the best shape of your life, this gym gives you everything you need.”
From the reviews
When I walked into here I didn't expect how welcoming it would be. The coach Tengo even on my first day made me feel very welcome and cracks some funny jokes in-between teaching. He is also very glad to help me on the moves because I am a beginner and explained them very politely and well.
Best gym in Oceanside and Nassau county amazing crew of trainees and coach Tengo is an amazing coach, truly life changing,would recommend to absolutely anyone
If you’re looking for a legit MMA gym that delivers real results, this is the place. Just hard work, discipline, and a team atmosphere that pushes you to be better every single day. The coaching staff is top-tier.
We’ve had an amazing experience at Mutant MMA! The professors are outstanding — not only are they highly skilled, but they truly care about each student’s growth. In the past year, my son has gained so much more than just jiu jitsu techniques.
New to BJJ? Start at Mutant Mixed Martial Arts & Kioto Jiu Jitsu
Mutant Mixed Martial Arts & Kioto Jiu Jitsu comes up as a beginner-friendly gym, going by their listing and members’ reviews. 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 Mutant Mixed Martial Arts & Kioto Jiu Jitsu
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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