Camden Community Center

3369 Union Ave San Jose 95124 (408) 559-8553
Mondays 7-8p
Unclear if they offer drop-ins, they seem to have monthly memberships

Almaden Valley Athletic Club

5400 Camden Avenue, San Jose, CA 95124
Classes most days of the week
non-member drop-ins allowed
Call 408.445.4910 for details

Dance Boulevard

1824 Hillsdale Boulevard San Jose CA 95124
Saturdays 10:30a-11:30a
Sundays 10a-11a

24 Hour Fitness

Many clubs in the South Bay. Reasonable memberships ~$30/month. 2 year Costco deal for new members for only $300= $12.50/month!

South Bay locations:

24 Hour Fitness website