If you don't want to spend too much money on it, it should meet your needs. The place is big, there are many people, there are coaches but nothing. The main reason is that there are many cheap people.
There is a gym in Chadong New Village. I don't know if you are a man or a woman. There is a women's gym. Monthly cost 100.
Kangleyuan has a good coach, rich teaching experience and kind people.
Home oasis has good fitness and environmental facilities. It costs 2000 yuan a year for two people to apply for a card, but now the price has gone up.
Others include Xintiandi Huangshibao Fitness Club and Miracle Space on the fifth floor of Wang Fu.