Established in 1999                    Over 30 Years Experience

                                          Fitness and Self-Defense in Tewksbury, Massachusetts

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Fitness & Self-Defense Programs

We provide instruction for ages 3.5-18 years and adults. All classes increase focus, patience, self-control, confidence, balance, coordination, flexibility/agility, etc.


Discover the personal benefits of training at The Self-Defense Institute in these testimonials.

TSDI - TV Debut

As seen on ABC Family, TBS, Discovery, SPIKE, Nicelodeaon, Cartoon Network, Animal Planet and Comedy Central. 

The Self-Defense Institute (Located next to the U.S. Post Office)
     MGM Plaza, 1721 Main Street, Tewskbury, MA  01876