Call Us:(510) 523-8011 | Email Us

Our Facility

What Makes Us Different?

CrossFit Mariner Square (CFMS) opened its doors on August 1st, 2011.

Located within Mariner Square Athletic Club (MSAC), a full service health club, CFMS has 2,400 square feet of indoor space and 1,200 square feet of outdoor space dedicated to CrossFit. CFMS is constantly striving to provide the best CrossFit experience to its members. The trainers look at every member, catering and molding workouts to each individual.  

We have a strong knit community and we love to have fun together whether it’s group outings, dinner and drinks together after a Friday Night Special WOD or supporting each other at competitions.  We embrace the community here. 

Our Amenities

At CFMS, you will have access to many features and amenities that you can’t get at other boxes. 

  • Full service locker rooms with Hot tubs, Saunas and Steam room.
  • Indoor pool.
  • 80+ Group Exercise classes a week including Pilates, Yoga and Spin.
  • Access to free weight, machines and cardio equipment.
  • Childcare
  • Complimentary Towel Service.
  • Free Parking.