Heart of a Lion. Train like a beast.
Classes / Week
Days / Week
Disciplines
Levels Welcome
Our Disciplines
The art of eight limbs. Master punches, kicks, elbows and knees — the complete striking system.
Ground-based combat. Submissions, sweeps and positional control — chess with your body.
Takedowns, scrambles and control. Build the base every fighter needs.
Footwork, combos and head movement — develop sharp hands and ring intelligence.
Fighter-specific circuits built to increase power, endurance and athleticism.
Confidence, discipline and fitness for kids. Safe, structured and fun.
Google Reviews
“Will is an amazing coach that always pushes you to your potential, you always walk out feeling amazing after training session here!”
“A+++ Gym. I have been to many many Muay Thai gyms over the years and this one is by far one of my favourites. The owner Will is a true pro and an even better coach. Highly recommend anyone to stop by and see this gym for themselves!”
“I can’t recommend Black Lion Gym enough! The gym is fully equipped for strength training. Will is always providing personalized attention and guidance. The community feel makes it my second home and happy place.”
“My friend and I tried Adult Jiu-jitsu for the first time ever with Will Romero and also did his General Thai Boxing class. For first timers Will was very patient, encouraging, welcoming, and an excellent skilled instructor. Very much recommend.”
“Incredible gym. Coach Will Romero is a legend and extremely knowledgeable! Toronto should be very grateful to have a gym and coach like this in the heart of our city. It was an honour to learn from Will at his gym!”
“This gym is the real deal for anyone passionate about Muay Thai and looking to level up their striking game or fitness. The owner Will Romero is a great coach and pro fighter who’s been in the game for a long time. Highly recommend!”
“Black Lion Thai Boxing & MMA is the real deal. A brand new gym in the city center with brand new equipment, run by a true pioneer of the sport. I’ve never had more fun exercising! Highly recommended!”
“Coach Will is very skilled and patient. The gym is brand new with good mats and strength training equipment. The gym is clean. Tried Thai kickboxing for the first time and would like to come back for other classes.”
“Amazing gym with great energy. Very welcoming space, very clean and well-equipped. Both Coach Will and the students are very warm. Great place to get a workout in, meet lovely people, and grow kickboxing skills!”
“Amazing gym, amazing environment, amazing coaches. Will is really passionate and makes you feel engaged all the time. Doesn’t matter if you are new or have experience — this is the gym for you. Pretty excited to keep training here.”
“Had a lot of fun being taught by coach Will! Both my girlfriend and I are beginners and he was great at explaining moves. Very attentive and great feedback on movement. Definitely recommend — no need to be intimidated, great for all experience levels!”
“Great gym for both beginners and advanced martial artists. The space is spacious and includes both a ring and a weight area for additional strength training. The coaches have a ton of experience with a positive and motivating attitude. Check it out!”
“I went in for wrestling with coaches Taj and Will — great experience! Both coaches are very insightful regarding MMA and grappling. Will definitely be back for more! Highly recommend this supportive environment.”
“Black Lion Thai Boxing & MMA is hands down one of the best training facilities in the city. The coaching is top-tier — knowledgeable, attentive, and truly invested in helping you grow. The energy in the gym is unmatched. Highly recommend for anyone serious about their fitness or combat training.”
“Great gym with amazing people and atmosphere! The coaches, especially Taj, are super knowledgeable and supportive, and everyone here makes you feel welcome. Highly recommend for anyone with any skill level or training purpose!”

Will Romero
I don't just train fighters. I build warriors.
Coach Will Romero brings over 20 years of martial arts experience to Black Lion — spanning Muay Thai, Kickboxing, Boxing, Wrestling, and BJJ. He spent 11 years competing professionally for organizations including Bellator Fighting Championships, TKO MMA, Top King World Series, and Kunlun Fight.
Will is a certified personal trainer, WMTF Certified Muay Thai Kru, and Boxing Ontario Certified Coach. Whether you're stepping on the mat for the first time or preparing for competition, he'll meet you where you are.
- IQMMA Featherweight World Champion 2008 — First MMA Champion in Ontario
- WKN North American Muay Thai Champion 2010
- Fight of the Night — Top King World Series, Pattaya Thailand 2019
- Knockout of the Night — The Score Fighting Series, Hamilton Canada 2001
Weekly Schedule
Six days a week, morning to evening. Book your spot in advance — classes fill fast.
Membership Plans
Flexible options for every goal and budget. No contract or entry fee required.
- 1 class (Thai Boxing or Kickboxing)
- All equipment provided
- Changeroom access
- No commitment
- 4 classes per month
- All adult disciplines
- Bags, pads & ring access
- Changeroom access
- Unlimited classes
- All adult disciplines
- Weights & cardio area access
- Bags, pads & ring access
- Changeroom access
- Unlimited classes
- 3 free 1-on-1 PT sessions
- All adult disciplines
- Weights & cardio area access
- Bags, pads & ring access
- 12 private 1-on-1 sessions
- Sport-specific training
- Strength & conditioning
- Flexible scheduling
Individual and group classes available for kids. Contact us for details →
