BEST803 is San José’s premier boxing and fitness training center in Costa Rica. We specialize in personalized boxing, strength and self-defense programs for all ages and levels. 

Our certified instructors use proven training methods to boost your strength, cardio and confidence. Whether you’re a beginner or an advanced athlete, our fun, supportive sessions help you reach real-world fitness and empowerment goals.

Using certified Box 'N' Burn techniques, we offer personalized workouts with all equipment provided. Train outdoors or onsite — wherever suits you best.

Founded in 2018, we’ve helped clients locally and globally through certified boxing and strength programs for all ages. 

Choose from 1-on-1, semi-private, or group sessions — perfect for individuals, families, or friends. Our women’s boxing and self-defense sessions focus on building real-world skills, strength, and empowerment in a safe, inclusive environment.

We also offer corporate training to boost team energy and focus, plus Stone, our outdoor fitness travel division, combining adventure with workouts in stunning Costa Rica locations. Book now to experience certified, personalized boxing and fitness training in San José — your path to power starts here.