For 16 proud years FITNESS SF CASTRO has been and still “IS” the epicenter of the vibrant, dynamic community called The Castro.

Our 16,000 square foot facility offers Two Floors of only the best tools and equipment ensuring your workout always stays fresh, challenging and adapts to your fitness goals.

The highly planned layout of our equipment is designed to maximize your workout by body part. We group specific pieces of equipment together so no matter what your routine is for the day it’s a breeze to execute.

On the Top Floor you’ll find an amazing array of cardio equipment from the latest in ellipticals with personal viewing screens to treadmills and bikes. Our large GroupX Fitness Studio is also located here offering 45+ GroupX classes per week from the best instructors in the city.

On the First Floor you’ll find top quality free weights, machines and benches along with our semi-private stretching area.

Want to take your training to the next level? Our nationally certified personal trainers are always ready to help.

FITNESS SF CASTRO is located @ 2301 Market Street intersecting Noe Street

Free Trial

Hours & Location

M - TH 5AM - 12AM
FRI 5AM - 11PM

415-FITNESS (348-6377)


Amenities & Services

Free Weights • Selectorized Machines • Cardio Equipment including Treadmills and Ellipticals with Personal Viewing Screens • Free Group Exercise Classes including Yoga, ZUMBA®, Latin Dance, BODY PUMP™ and More • TRX® • Dedicated ABS and Stretching Area • Personal Training Staff • Complete Locker Rooms • GREEN SURGE® Juice Bar • PRO SHOP (Including Clothing and Accessories) • WiFi • FREE Parking

Download our Mobile App

FITNESS SF Mobile allows you to view class schedules, class changes, add a class to your calendar, view current announcements, promotions, coupons and membership incentives.

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Get more from FITNESS SF with expert advice, work out tips from our instructors and communicate with other members on Facebook and Twitter!