MX3 Fitness

MX3 Fitness Gyms in San Francisco's Castro, Noe Valley, Lower Haight and Mission, as well as Sonoma. Personal Training, Monthly Memberships and Classes. Voted Best in SF.

Voted Best of the Bay. Castro & Lower Haight gyms in San Francisco. Monthly memberships and certified personal trainers. Day passes available. Weight Loss, Strength Training.

A ribbon cutting with Sonoma’s Mayor and mom makes it official! Thanks to the Sonoma Chamber of Commerce for their suppo...
06/25/2026

A ribbon cutting with Sonoma’s Mayor and mom makes it official! Thanks to the Sonoma Chamber of Commerce for their support!

MX3 Fitness Sonoma is NOW OPEN! We can't thank everyone enough who supported us along this journey. We look forward to s...
06/19/2026

MX3 Fitness Sonoma is NOW OPEN! We can't thank everyone enough who supported us along this journey. We look forward to showing you the gym and having you join. Come on by for a tour today! 19310 Sonoma Highway

Our Pre-Opening Special ends June 20th. Act now to lock in your $99 single or $179 couple's membership and waive the $75...
06/15/2026

Our Pre-Opening Special ends June 20th. Act now to lock in your $99 single or $179 couple's membership and waive the $75 initiation fee. www.mx3fitness.com/sonoma

06/12/2026

Even mom is lending a hand in Sonoma.

Final touches underway on the new MX3 Fitness - Sonoma lobby. Can’t wait to show it off at our first open house Saturday...
06/11/2026

Final touches underway on the new MX3 Fitness - Sonoma lobby. Can’t wait to show it off at our first open house Saturday, June 13 1 pm to 5 pm. 19310 Sonoma Highway

05/31/2026

Just disinfecting weights at our new Sonoma gym on a Sunday. Liz is no help at all.

We have an opening date - June 19! Sign up before then and lock in the $99 membership with no initiation fee: www.mx3fit...
05/29/2026

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.
05/26/2026

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

Address

2336 Market Street
San Francisco, CA
94114

Opening Hours

Monday 7am - 8pm
Tuesday 7am - 8pm
Wednesday 7am - 8pm
Thursday 7am - 8pm
Friday 7am - 8pm
Saturday 6am - 8pm
Sunday 6am - 8pm

Telephone

(415) 236-2556

Website

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