Diamond Baseball & Fitness is an indoor baseball and fitness facility in Owen Sound, Ontario, combining sports training with recreational experiences for individuals, families, teams, and groups. Its space includes two batting cages and a 4,000-square-foot turf practice area, along with HitTrax data capture and simulator technology. Visitors can rent the cages and simulator for batting practice, home run derbies, mini-games, or simulated games set in MLB ballparks and selected U.S. college stadiums.

For players seeking to improve, the facility offers baseball training supported by coaching, performance feedback, and swing data, including slow-motion video and recorded training information. Programs cover hitting, pitching, catching, fielding, baserunning, and combined skills, as well as coaching and introductory baseball options. Diamond Baseball & Fitness also provides one-to-one personal training, small-group sessions, and sport-specific team conditioning. Other listed offerings include a baseball academy, camps, leagues, and birthday parties. Located at 625 6th Street East, the facility serves aspiring athletes and people looking to begin or renew their fitness routine.