Gyms

Multi-level, with multiple locations across the city and much more central than Platinum. The signup was somewhat trickier, but access is easier once you're through it.

Huge, but all on one level so it's easy to see everything. Multiple free-weights areas - some iron, some modern - and a sizable functional fitness station. A little out of the way but worth it.

Good day-pass gym. A little tight on space, but there's usually a live DJ, which covers a multitude of sins.

Good gym, a little out of the way and down a large ramp underground - trust the ramp and keep going.

The original outdoor gym on the sand. You can pay for a day pass at the kiosk nearby - do it once, for the story.

Good gym space for a relatively cheap day pass. The Embarcadero branch is fine - it does the job - but the Transbay one is the pick if you can get there.

The one by the Salesforce Tower, and it's very, very good - lots of equipment and plenty of space, all on a relatively cheap day pass. The pick of the FITNESS SF branches.