Gym

Gym is type of lot in The Sims 2 and The Sims 3. It is also a lot assignment in The Sims 3.

The Sims 2
Campus Gym is a gym at Sim State University.

The Sims 3
As a lot assignment pools provide the Fit Atmosphere moodlet:

28 Hour Wellness Gym
The 28 Hour Wellness Gym is the default gym for Sunset Valley. It has two weight machines and two treadmills upon which Sims can work out. It also has showers, a small dining area, and large swimming pool.

Riverview Gymnasium
Riverview Gymnasium is, as the name suggests, the default gym for Riverview. It has three weight machines and two treadmills, all recolored red, upon which Sims can work out. It also has showers, a small dining area, and large pool.