Shengtaosha provides Chinese massage and a Thai sauna experience. Though modest compared to others, it still offers common freebies such as beverages and fruit, and the prices certainly won't eat up your salary.
Price: 48 RMB/ 60 minutes, 68 RMB/ 90 minutes
Getting there: Take buses 44 or 221 and get off at Changganglukou bus stop. The club is on your right.