The best replacement for gyms is health clubs.

The best alternatives to gyms are rated as following:
★★★★★  health clubs
★★★  fitness centers
★★  gyms
★★  home workouts
★★  free weights
★  multi function home gyms
★  clubs
  fitness center
  bowflex
  ymca

Your alternative for gyms is not listed? Suggest!
Speaking about gyms, one probably shouldn't forget about personal trainers.

Other search terms related to gyms and their ratings are:
★★★★★ personal trainers
You have in mind a companion for gyms and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of gyms in all years. Click on graph for more.
gyms
health clubs
fitness centers