
What We Do
Fitness

24/7 Gym
Unleash your fitness journey with our 24/7 gym, offering anytime access through a convenient keycard system, empowering you to work out on your terms, day or night.

Silver Sneakers
Elevate your fitness and well-being with our Silver Sneakers class tailored exclusively for individuals aged 65 and older, providing a supportive social environment and a variety of exercises to enhance overall health.

KX Cardio
Ignite your inner fire and unleash the ultimate 30-minute KXCardio workout with an exhilarating fitness experience that will leave you energized, and ready to conquer the world!
Martial Arts

Adult Shotokan Karate
Experience the pinnacle of martial arts excellence in our adult Shotokan class led by our esteemed Grand Master, where you'll refine your skills, cultivate inner strength, and unlock your full potential.

12 & Under - Tiny Tigers Karate
Our kids' Shotokan Karate class is an action-packed adventure where they'll learn awesome moves, gain unbreakable confidence, and make new friends while having a blast!

Kids and Adult Boxing
Our kids and Adult boxing class offers a workout that hones boxing skills, improves overall fitness, and provides a powerful outlet for stress and empowerment.

Adult Krav Maga/AFS
Our Krav Maga/AFS class is a highly effective self-defense system that combines practical techniques from various martial arts for real-world situations.

Adult Wing Chun - Kung Fu
Wing Chun Kung Fu is a Chinese martial art known for its efficient and direct techniques, focusing on close-range combat and simultaneous defense and attack movements.

Close Quarters Combat Grappling
Close Quarters Combat Grappling is an intense martial art that combines joint locks, chokes, takedowns, and ground fighting techniques for controlling and dominating opponents in close-quarters confrontations.
Who We Are
What People Think of Us
Keystone X Fitness & Martial Arts
67 North Main Street, Dover
5.0 32 reviews
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Declan Bowles ★★★★★ a month ago
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Sarrah Mckeithan ★★★★★ a month ago
The instructors are the best. I honestly couldn't ask for better!!!!! The support everyone has given me and my kids is mind-blowing! I would definitely recommend. I love them. -
Keven Covert ★★★★☆ 3 months ago
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Pandaora Smith ★★★★★ 6 months ago
Good people who are invested in the students, teaching karate, respect and discipline. The place has geat classes and I decent size gym that includes a good bit of free weights. -
Wanda Pennypacker ★★★★★ 6 months ago
Keystone X Fitness & Martial Arts is an Amazing place to help establish and build a strong foundation of of respect, dedication and integrity for yourself and your children.
Highly recommended instructors that live and breathe what … More they teach. Nothing but positive Ora, love and support you become part of a family.