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Independence + Support = Growth

At Monster Brazilian Jiu-Jitsu & MMA, we pride ourselves on being a top-notch martial arts and fitness facility located in Smithtown, NY. Our expert instructors, led by Derek Mangi, offer a wide range of classes and training programs that cater to all levels and goals. Whether you're a seasoned martial artist or just starting out, we have the perfect program for you.

Our Services

We offer expert instruction on a full range of modern hand-to-hand combat sports and self-defense systems, including Brazilian Jiu-Jitsu, Muay Thai, Krav Maga, Boxing, Kali, and Jeet Kune Do. Additionally, we offer a range of traditional group fitness programs and personal training sessions, including TRX and plyometric conditioning.

Why Choose Us?

Our experienced instructors are dedicated to providing a supportive and challenging environment for our students. We believe in the importance of building a strong foundation in martial arts and fitness, as well as promoting a culture of respect, discipline, and camaraderie among our members.

Our Expert Team

Our head instructor, Derek Mangi, is a highly decorated martial artist with a background in Brazilian Jiu-Jitsu, Combat Jiu-Jitsu, and various striking arts. He has competed at the highest levels, including the Pan American Games and the NAGA World Championships, and has won numerous titles and awards throughout his career.

Testimonials

Our students and training partners have praised our instruction and training methods, saying that our classes are "straightforward and easy to understand" and that our instructors are "always pushing me to be my best."

Join Our Team

If you're looking for a new challenge or just want to stay active and healthy, we invite you to come check out our facilities and meet our team. We offer a variety of classes and training programs, and our instructors are always happy to help you find the perfect fit for your goals and needs.

Reviews
Positive: The reviews are filled with praise for Monster Brazilian Jiu-Jitsu's inclusive, welcoming, and expert instructors, with many reviewers saying they have learned more than they ever thought possible.

Exceptional Training Experience

The reviews of Monster Brazilian Jiu-Jitsu are overwhelmingly positive, with all reviewers giving the gym a perfect 5-star rating. The common thread throughout the reviews is the gym's inclusive, professional, and welcoming environment.

The instructors are praised for their expertise, with many reviewers noting that they have learned more in a short period of time than they ever thought possible. The atmosphere is described as warm and welcoming, with a sense of community and camaraderie among members.

Reviews highlight the gym's cleanliness, well-maintained facilities, and excellent value. Several reviewers mention that the gym has a family-friendly atmosphere, making it suitable for people of all ages and skill levels.

Special Mentions

Some reviewers mention specific aspects of their experience that stood out, such as the gym's ability to accommodate people with special needs (Jacqueline Saunders) or its clean facilities (Alisa M.). One reviewer, Prophet Over Profit, praises the gym for teaching them bear-specific grappling techniques, which helped them achieve success in their professional bear wrestling career.

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