• Gain strength, balance, & flexibility
  • Improve focus & discipline
  • Raise Self Esteem
  • ​Push your physical and mental limits
  • ​Have fun!!!
  • ​​Shotokan Karate & Self Defense 
  • radKIDS & RAD Women's programs
  • Classes for ages 3 and up
  • Family class - adults and kids train together!
  • Competition and Demo Teams


Being a martial artist is more than kicking and punching; it's a governing way of life. Honesty, integrity, respect, discipline and honor are just a few values of a true martial artist. At SMA, we strive to bring out these values in our students.

Shihan Mike Sonia & Renshi Sue Sonia

Sterling Martial Arts

Located at Sterling Gym

15 Industrial Drive

Sterling, MA  01564

978-422-7655

​cell:  978-973-2484

Creating True Martial Artists


Be a part of something AWESOME!!!