If you have other suggestions or comments on these, please let us know!

Bakar Center (UCSF Mission Bay)
http://mbfitness.ucsf.edu/
1675 Owens Street
San Francisco, CA 94158
415.514.4545
Childcare is available (for a fee) when parents enjoy the facility. Cannot reserve childcare if not a member; drop-in if available. Parents can buy a daily pass for $15.

24h Fitness (SOMA)
www.24hourfitness.com
1645 Bryant
San Francisco, CA 94103
415.437.4188
8:00 am – 1:00 pm Saturday (no childcare on Sunday)
Childcare is available ($3) when parents enjoy the facility. Parents can get a free trial and still enjoy the childcare program. Otherwise, parents can get a daily pass for $10 or $15.

YMCA (Richmond)
www.ymcasf.org
360 18th Avenue (between Geary & Clement St)
San Francisco, CA 94121
415.666.9622 (415.666.9611 for the childwatch program)
8:45 am – 1:00 pm Saturday (no childcare on Sunday)
Childcare is available (for a fee - $4 an hour?) when parents enjoy the facility.  Max 2h. Parents can get a daily pass for $12.

YMCA (Presidio)
www.ymcasf.org
Main Post Gym:
Building #63
Presidio Park, corner of Funston and Lincoln Blvd.
San Francisco, California 94129
Letterman Gym & Aquatics Center:
Buildings #1151 & 1152
Presidio Park, West Gorgas Ave.
San Francisco, California 94129
415.447.9622
Saturday all day and Sunday until 1:00 pm (?)
Childcare is available ($4 an hour) when parents enjoy the facility. Reservation required at 415.447.9650. Daily pass available for parents ($12).

Jewish Community Center (JCC)
www.jccsf.org
3200 California Street
San Francisco, CA 94118
415.292.1200
Childcare available when parents enjoy the facility (gym, restaurant, or other). $7 an hour non-member rate. Reservations & Information: (415) 292-1246. Reservation required for children under 2.
Childcare available 8:00 am – 3:00 pm Saturday and 9:00 am – 3:00 pm Sunday
It seems that parents can buy a day pass to use the gym. Don’t know the fee.