Relentless MMA & Fitness
“Whether you're looking to learn new skills, get in better shape, build confidence, or simply challenge yourself in a different way than a traditional gym, Relentless has something for everyone”
Best Martial Arts Classes in St. Catharines, ON
15 gyms listed · 7 in St. Catharines · 10 open weekends · all 15 rated 4.5+
Data verified October 16, 2026
Niagara Top Team
“Exceptional from beginning to end, the team was professional, friendly, and attentive to every detail.”
Straight Blast Gym Niagara
“Our son has been training with Coach Rich for over a year now and we've seen such a marked improvement in his attention, focus, and ability level in class.”
Muay Thai Niagara MMA
“I cant say enough for this club and Roger and staff,the use of your hands,feet,knees,elbows I am learning alot my self just watching and.”
Defensive Arts Training Centre
“A gym/training place can be judged by the attitude of the older kids who have been there for a long time and this places shines in that department.”
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Saint Catharines Brazilian Jiu Jitsu
“Great details on the teaching from coach John and tough rounds after!”
The 15 gyms listed for St. Catharines, ON teach martial arts and combat sports. Styles taught, youth programs and class times come from each gym's own pages, with star ratings from public reviews.
Area overview: St. Catharines, ON
7 of the 15 gyms we list are based in St. Catharines; the other 8 serve St. Catharines from Niagara Falls (17 km) and Fonthill (15 km). The gyms on this page are rated from 4.7 to 5.0 across 841 reviews; 6 have 50 or more reviews. The topics that come up most in reviews of the gyms on this page are "atmosphere", "confidence" and "skills". 10 are open on Saturdays and 1 on Sundays. 5 have ten or more years of experience, the longest 23 years. 1 lists coupons or special offers. We have a website on file for all 15 of the gyms on this page; 12 publish a contact page; 11 list a public email and 4 take bookings online. We count these figures across the gyms on this page; distances are straight-line, and hours and prices change, so confirm the details with the gym before you enrol.
Which gyms listed for St. Catharines show a timetable online?
All 15 gyms have a website on file. The useful ones name the instructor against each slot and mark which classes take beginners. A site built around the founder's rank and a contact form tells you nothing about the Tuesday night you would actually be standing in.
Burtnik Karate
“My son has been going for a month now and gets excited everytime we're going to class.”
Niagara Taekwondo Niagara Falls
“My children (ages 6 and 9 years) both attend and there are huge benefits that intersect with so many other aspects of their lives.”
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Jeong's Family Taekwondo Niagara Falls
“Our eldest has been with this Centre since she was 4 and has learned so much beyond just taekwondo, she's learned patience, discipline and respect.”
Caruso Taekwondo Academy Inc
“Master Rachelle and Kelsey have a wonderful way with the kid, they make learning fun!”
Daw Martial Arts
“My grandson Tyler McIvor began just before his 6th birthday, now he will be 15, obviously he loves the entire program, the dojo and his fellow Martial artists!”
The Martial Arts Center
“Sensei Jackson runs a fun & inclusive program that promotes health & fitness, mindfulness, achievement and confidence.”
Wolf Pack Taekwondo Academy
“The teachers/staff are amazing and very knowledgeable!”
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Kokon Jiu-Jitsu and Karate
“The Japanese jiu-jitsu is basically MMA with basics on all the Japanese arts, which makes it awesome because it's like you're learning 20 arts in one, and then there's the karate that goes with it, which is really good for striking and blocking, put those two together and it's the ultimate self-defence class.”
Martial Art One
“I find myself looking forward to my lessons every week and practicing randomly when I have the opportunity.”
Why these companies made our list
What students and parents say about gyms in and near St. Catharines
- “Ever since my son has joined this gym, his confidence has improved as well as his discipline.” — from a review of Straight Blast Gym Niagara
- “I've gained so much more than workouts - discipline, confidence, better health, and a real sense of belonging.” — from a review of Relentless MMA & Fitness
- “The instructors are patient, professional, and really focus on helping students improve step by step, not just physically but also in discipline and confidence.” — from a review of Niagara Taekwondo Niagara Falls
- “An amazing family taekwondo school. We have been part of the taekwondo family now for two years and it’s been incredible witnessing my child learn everything from discipline, socializing, confidence, respect … the list goes on.” — from a review of Jeong's Family Taekwondo Niagara Falls
- “The instructors are patient, encouraging, and fantastic with kids, creating a fun yet disciplined environment.” — from a review of Caruso Taekwondo Academy Inc
Excerpts from public reviews of the gyms listed on this page.
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