Certified by UndergrounD Fitness and Self Defense • Mar 01, 2026
About
Certified by UndergrounD Fitness and Self Defense • Mar 01, 2026
Martial Arts SchoolSelf Defense SchoolFitness Classes
Discover personalized martial arts and self-defense training at our Montessori-style dojo in Jacksonville, FL. Serving Mandarin, Deerwood, Arlington, Westside/NAS, and Del Rio, we offer karate lessons for children ages 3 and up, self-defense classes, women’s self-defense, karate for adults, and mixed martial arts. Our unique approach empowers students to grow at their own pace in a safe, supportive environment. Whether you're searching for “karate near me” or “self defense classes in Jacksonville,” we provide expert instruction for all ages and skill levels. Join us today to build confidence, fitness, and real-world protection.
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Certified by UndergrounD Fitness and Self Defense • Mar 01, 2026
Certified by UndergrounD Fitness and Self Defense • Mar 01, 2026
Reviews
5.0
43 reviews
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43
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Blair DeLaney
Nov 18, 2025
5.0
I have goals of exercising if I am not walking, riding my bike or playing tennis. I came here to try it out. I also love Karate and martial arts. Our style is tae kwon do, but we also do boxing, kung fu forms, weapons. I did BJJ here also, but coach Cliff has his own dojo now. Master Ben is very good at instruction as well as our other other Sensei Master Williams. Master Ben is a weapons expert and Master Williams is our personal trainer if you will ,motivating us to do are exercise outside of class also. I enjoy coming to Underground fitness and self defense.
TL
Tim Levandowski
Nov 28, 2024
5.0
This place is amazing, Master Ben absolutely lives up to his name. Not only do they offer in house training but they also offer all their classes online. Having it online allows for that flexibility when it’s tough to get out of the house with the kids.
AK
Almas Khamza
Aug 3, 2024
5.0
Ever since we arrived to Jacksonville Florida we started looking for martial arts facilities. Underground Fitness and Self Defense with Master Lamasters and Master Williams in it’s management is exactly what we needed, since they really helped us to train solidly and learn a lot of things like work ethics, discipline and overall learning the karate 🥋 by great methodic. Courtesy, modesty, integrity, self-control and perseverance is a solid foundation that they refer to each and every training and they teach each of this concepts throughout the whole journey of their students. Really great place if you want your kids to excel and be really good at karate and all the mentioned things. Mentors are great and it only takes a desire and great work ethics from you. Would have stayed there, but due to family circumstances had to move.
Absolutely Recommend 👍🏽✊🏽
LH
Laura Hutson
May 6, 2023
5.0
We love being a part of the judo family at underground!! Awesome and fun times growing and learning too!! Definitely awesome experience!! The instructors are friendly nice and amazing!! We love it!!
KJ
Kizzy Johnson
Jun 27, 2022
5.0
The only problem I have with this place is I didn't know about it sooner! My son has learned and grown so much, in such a short amount of time. Besides the AWESOME ninja training, he is also learning focus, self control, language and social skills + so much more; which means a lot since my son has Autism and a severe learning disability. It is evident that the instructors are masters at their craft and, really, enjoy what they do. Master Williams and Master LaMasters are phenomenal! They work hard while making it fun and entertaining, at the same time...for all ages! Thank you Sirs for all you do!
Frequently Asked Questions About UndergrounD Fitness and Self Defense
What types of martial arts and self-defense classes does UndergrounD Fitness and Self Defense offer?
UndergrounD Fitness and Self Defense offers karate lessons for children ages 3 and up, women's self-defense, karate for adults, self-defense classes, and mixed martial arts.
What is the teaching style used at UndergrounD Fitness and Self Defense?
The dojo uses a Montessori-style approach that allows students to grow at their own pace in a safe and supportive environment.
What are the operating hours of UndergrounD Fitness and Self Defense?
The dojo is open Monday through Thursday from 12:00 PM to 8:00 PM, Friday from 12:00 PM to 4:00 PM, Saturday from 9:30 AM to 12:30 PM, and is closed on Sundays.
Where is UndergrounD Fitness and Self Defense located?
It is located at 8769 Old Kings Road South, Jacksonville, FL 32217, USA.
How can I contact UndergrounD Fitness and Self Defense for more information?
You can call them at +1 904-704-7888 or email master_lamasters@yahoo.com.
Is there a website where I can learn more about UndergrounD Fitness and Self Defense?
Yes, their website is https://www.underground-training.com/.
Are there any convenient dining options nearby for before or after my class?
Yes, nearby dining options include Subway for sandwiches, El Agave Azul Baymeadows for Mexican cuisine, Brazil Store and Supermercado Brasileiro for Brazilian food, Golden House for noodles, and ali baba grille and hookah lounge for Middle Eastern dishes.
Can I find grocery stores near UndergrounD Fitness and Self Defense to do some shopping after class?
Yes, nearby grocery stores include Winn Dixie, ALDI, Brazil Store, and Supermercado Brasileiro, which also offer a variety of food selections.
What fitness or wellness facilities are close to UndergrounD Fitness and Self Defense?
Planet Fitness gym and Floating Sea Aquatics aquarium are nearby, offering additional opportunities for fitness and recreation after your martial arts training.
Are there any financial or service-related businesses near UndergrounD Fitness and Self Defense that might be useful?
Yes, nearby services include Coinstar for currency exchange, Jackson Hewitt Tax Service and H&R Block for taxes, Western Union for money transfer, Boost Mobile for telecommunications, and We Do Locksmith for locksmith needs.
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