MX3 Fitness

We have an opening date - June 19! Sign up before then and lock in the $99 membership with no initiation fee: www.mx3fitness.com/sonoma

Before/After… New paint on our upcoming Sonoma gym.

MX3 Fitness – Sonoma is coming in early summer. We are so grateful for all the community interest and support. Thank You! Thank You! Thank You! Reserve your spot today and save the $75 initiation fee. Memberships include classes. Learn more: www.mx3fitness.com/sonoma

We are offering a Pre-Opening Special for our upcoming Sonoma gym (opening in early summer). Sign up today and we will waive the $75 initiation fee. All memberships start at $99, including classes and full gym access. Learn more at www.mx3fitness.com/sonoma

Sonoma Gym | MX3 Fitness MX3 Fitness is bringing its “Best of the Bay” experience to the City of Sonoma with a 15,000-square-foot facility located at 19310 Highway 12 — the space formerly occupied by Sonoma Fit.

We are very pleased to announce MX3 Fitness is expanding to the North Bay with a new 15,000-square-foot facility in the City of Sonoma, expected to open in early summer. The new MX3 Fitness facility will be located at 19310 Highway 12 - a space formerly occupied by Sonoma Fit. Find out more at

Sonoma Gym | MX3 Fitness MX3 Fitness is bringing its “Best of the Bay” experience to the City of Sonoma with a 15,000-square-foot facility located at 19310 Highway 12 — the space formerly occupied by Sonoma Fit.

Please join us in welcoming our newest personal trainer, Daniel Martinez, to the MX3 Fitness family! Daniel will be training at our Noe Valley and Mission locations and has immediate openings for new clients. Learn more about his training style and set up a free fitness evaluation today: https://mx3fitness.com/train-with-daniel

Check out our co-owner Dave on the local CBS news talking about how to pick your perfect gym (hint: it is MX3 Fitness).

Find your perfect fit: Tips for choosing the right gym in 2025 Personal growth and getting in better shape are top resolutions for many of us in the new year! A report from last year reveals that January sees a spike in new gym memberships—around 12% of all yearly sign-ups happen this month. But here’s the catch: half of those new members will quit within t...