About
**Johnny Karate NYC / JMA Brazilian Jiu-Jitsu** at 534 Court St in Brooklyn, NY, is a premier martial arts school offering dynamic programs for all ages.[1][3][5] Kids and preschoolers build gross motor skills, discipline, respect, and self-defense through fun karate classes, while teens and adults crush fitness goals with high-level **Brazilian Jiu-Jitsu**, martial arts training, and Hyper Fight Club kickboxing for cardio and practical techniques.[1][3][6] Standing out with a perfect 5/5 Google rating (140+ reviews), expert instructors like Johnny foster a welcoming community focused on life skills, black belt journeys, summer camps, after-school programs, and birthday parties.[1][2][3]