Fitness go Results Found: 3 Button group with nested dropdown Body Mechanix Body Mechanix 20579 Santa Maria Ave Castro Valley CA 94546 (510) 303-8049 Fearless Martial Arts Academy, LLC. Fearless Martial Arts Academy, LLC. 3319 Castro Valley Boulevard Castro Valley CA 94546 (510) 798-3821 Castro Valley Yoga Castro Valley Yoga 3160 Castro Valley Blvd., Suite C Castro Valley CA 94546 (510) 542-9655