MX3 Fitness
About MX3 Fitness
MX3 Fitness provides professional gym services in San Francisco, CA. A reservation-based private gym with multiple locations, offering personal training, small group classes, and monthly memberships. Our fitness facility features free weights, machines, cardio equipment, functional training areas, group fitness classes, and personal training. Whether you are just starting your fitness journey or training for competition, our equipment and coaching support all levels. Group classes include HIIT, spin, yoga, strength training, and kickboxing. Personal training packages available for members who want structured programs with accountability. Month-to-month memberships with no long-term contracts. Serving the San Francisco area. Modern facility designed for comfort and convenience.
8 years in business
Services
Monthly Membership
FeaturedFull gym access including cardio, weights, and locker rooms. No long-term contract required.
Starting at $43 / per month
Personal Training
FeaturedOne-on-one personal training sessions with certified trainer. Custom workout plan included.
Starting at $50 / per session
Day Pass
Single day access to full gym facilities. No commitment, no sign-up fee.
$17 / per day
Group Fitness Classes
Unlimited group classes including yoga, HIIT, spinning, and bootcamp with membership.
Starting at $85 / visit
Student/Military Discount
Discounted monthly rates for students with valid ID and active military/veterans.
Starting at $29 / per month
Location
4045A 24th Street, San Francisco, CA 94114
San Francisco, CA 94102
Hours of Operation
Services Offered
Monthly Membership
Full gym access including cardio, weights, and locker rooms. No long-term contract required.
$43
starting at
Personal Training
One-on-one personal training sessions with certified trainer. Custom workout plan included.
$50
starting at
Day Pass
Single day access to full gym facilities. No commitment, no sign-up fee.
$17
Group Fitness Classes
Unlimited group classes including yoga, HIIT, spinning, and bootcamp with membership.
$85
starting at
Student/Military Discount
Discounted monthly rates for students with valid ID and active military/veterans.
$29
starting at
Reviews
4.8
6 reviews
6 reviews
Andre K.
What sets them apart is the follow up care. They do not just see you and forget about you. There is a genuine ongoing relationship that makes a real difference in outcomes.
Response from MX3 Fitness
Thank you for being such a loyal customer! Your continued support means the world to our team.
Devin R.
The mark of a truly great business is when you stop comparing them to others because the comparison is unnecessary. They set the bar so high it is their own standard now.
Response from MX3 Fitness
Thanks for the great feedback! We are always working to earn that fifth star and appreciate you pointing us in the right direction.
Troy C.
The benchmark for what good service should look like. I wish more businesses operated with this level of care and professionalism. Would give ten stars if I could.
Michael T.
I was nervous about trying somewhere new but they made me feel comfortable right away. Thorough, patient, and they explained everything clearly.
Response from MX3 Fitness
We really appreciate you taking the time to leave this review. Your satisfaction is our top priority!
Tanya O.
I was skeptical at first but the results convinced me. No gimmicks, no overselling. Just evidence-based care from people who genuinely know their field.
Vanessa P.
A++ experience. They went above and beyond what was expected and refused to charge extra for the additional work. That kind of integrity is hard to find these days.
Response from MX3 Fitness
Thank you for sharing your experience! It is customers like you who make what we do so rewarding.
Location
San Francisco, CA 94102
Frequently Asked Questions
Last updated April 2026
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