Cornerstone Gym is a specialized combat sports and fitness facility located at 4325 Kenilworth Ave in Bladensburg, MD, designed to support youth, adults, and competitive athletes. The gym seamlessly integrates technical boxing, striking martial arts, and athletic development under one roof. The space is intentionally laid out into distinct zones to maximize training efficiency: a Combat Sports Zone for heavy bag work and fundamentals, a centered Sparring Ring for controlled Tuesday and Friday technical bouts, and a Strength & Conditioning Zone built for performance coaching and physical capacity drills. The facility offers rare amenities that set it apart within the DMV area. It hosts the region's only boxing pro shop, additionally, the inclusive facility features wheelchair-accessible restrooms and parking.