The Smart Choice

In Port Colborne, Genius Fitness is where hard work meets smart training — and everyone’s welcome.

A shirtless male mixed martial artist wearing black gloves with PFL logo, standing with fists together in front of a gray background, wearing red and black shorts with PFL logo.

Meet Anthony Romero: CHAMPION AND COACH

In Port Colborne, Genius Fitness welcomes anyone ready to put in the work — the smart way. Founded by pro MMA fighter Anthony Romero, the gym blends 10+ years of coaching with a passion for martial arts. With black belts and a degree in Recreation & Leisure, Anthony leads focused training for all ages.

Genius Classes

  • Champs (4-7)

    Give your child a perfect start in martial arts. Our program builds essential skills in striking and Jiu-Jitsu, while helping them gain confidence and discipline in a fun environment.

  • Two boys in boxing gloves sparring in a gym, one wearing a black shirt and the other wearing a yellow shirt, with focused expressions.

    Kids (8-13)

    Our Kids Program offers both striking and Jiu-Jitsu to build a foundation of confidence and skill. It's the perfect way to get them started on their martial arts journey.

  • Two men practicing mixed martial arts or Brazilian jiu-jitsu on a mat, with a referee standing nearby and spectators seated in the background.

    Adults

    We have a program for every goal. Whether you're seeking a challenging workout or elite-level training, our Bronze, Silver, and Gold options will help you achieve your goals.

LEARN MORE!

Testimonials

  • The GENIUS is the place to be, if you want or need to fight! Trust in the Genius: Anthony Romero; He lives up to his name

    Riley Daniels

  • Anthony is an amazing coach and super affordable for both private and group sessions. He is so patient and friendly and the gym is large, clean and has everything you need. SO grateful to have Genius fitness so close! highly recommend!

    Marla Pietruszko

  • Dedicated, knowledgeable, professional and hard working...Anthony is the real deal! Variety of classes are available even for beginners. Come check out his new great gym and train with the best!! 💪

    Jessie Rivera

  • Genius has become like a second home giving me a place where I can be my self and chase my dream, it's affordable and the people are amazing, have great energy an great work ethic.

    Nate Lizotte

  • Always a good time when training with Anthony and Simon! Very friendly atmosphere, and a great place for both beginners and experienced athletes.

    Allen Guglielmi

10+ Classes Weekly

50+ Clients

100% Confidence

10+ Classes Weekly 50+ Clients 100% Confidence

Unlock Your Potential

Experience the thrill of martial arts with a free class tailored just for you!

 FAQs

  • We offer programs tailored to your age and goals: Champs (ages 4–7), Kids (ages 8–13), and adult programs split into Bronze, Silver, and Gold levels. We also offer discipline-specific classes like striking (kickboxing), gi and no-gi Jiu-Jitsu, MMA, and circuit training to suit beginners through advanced athletes.

  • Yes! We have a "3 for $30" trial deal that allows you to test out our classes and experience the coaching before committing to a membership.

  • Your head coach is Anthony Romero, a professional mixed martial artist with a decade of teaching experience and a strong competitive background. Alongside Anthony, we have other experienced coaches who come from well-developed martial arts and fitness backgrounds, so you’ll always be learning from knowledgeable instructors who know what it takes to help you succeed.

  • We’re open Monday through Thursday from 3:30 p.m. to 8:30 p.m., Friday from 3:30 p.m. to 7:00 p.m., and Saturday from 10:00 a.m. to 1:00 p.m. We’re closed on Sundays. These hours are designed to give kids and adults plenty of after-school and after-work training options, while still keeping weekends flexible.

  • We're located at 13 Clarence Street (some listings show 111 Clarence St), Port Colborne, ON, L3K 3E7. You can reach us by phone at 289-836-9499.

Have Questions?

We’re here to help. Whether you’re curious about our programs, need support with your goals, or just want to learn more about Genius Fitness, reach out and we’ll get back to you soon.