John Island Boxing & Development is a boxing gym offering training for weight loss, self-defense, amateur competition, and professional competition. Led by trainer John Island, who has coached professional and amateur boxers for more than 20 years, the gym provides group classes, one-on-one coaching, and youth boxing for all ages and skill levels, with an emphasis on mental and physical development.
John Island Boxing & Development
6850 Five Star Blvd
Rocklin, CA 95677
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