Gym

A gym is a type of lot in The Sims 2 and a lot assignment in The Sims 3 and The Sims 4.

The Sims 2
All pre-made college sub-neighborhoods in The Sims 2: University have gyms, although those lots also have other uses. Downtown and Bluewater Village each have a lot which has a gym area, but those lots are primarily devoted to other uses. In FreeTime, Sims who have enough enthusiasm in Fitness are granted access to the Platinum Gym secret hobby lot, which offers a gym.

Gyms can be used to build fitness, but as community lots in The Sims 2 do not allow for skills to be developed, they cannot be used to build the body skill, with the notable exception of the Platinum Gym lot in FreeTime.

The Sims 3
As a lot assignment, gyms provide the Fit Atmosphere moodlet and will attract Sims with the Athletic and Disciplined traits and repel Sims with the Couch Potato trait.

It is a great place to build Athletic Skill as there are gym obects such as treadmills.

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, a small deck, and large swimming pool. It is also the Nintendo DS version of the gym.

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.

Lakefront Wellness Center
Lakefront Wellness Center is the default gym for Twinbrook. The gym area of the lot is in a basement, with the upstairs areas hosting a hall. There is a yard with a trampoline.

Goldbeard's Gym
Goldbeard's Gym is the default gym for Barnacle Bay. There is a large pool on the ground floor, and there are exercise machines on the first floor.

Bridgeport gyms
AJV Wellness Center.

It is located in a skyscaper and boasts a pool, and various workout rooms.

Swole On Fitness
Swole On Fitness is the default gym for Appaloosa Plains.

Weight & Sea Rec Center
Weight & Sea Rec Center is the default gym for Starlight Shores.

The Sims 4
Gyms return in The Sims 4 as a lot assignment. These lots includes lot of gym related equipment, such as treadmills, weight machines and punching bags. It is a perfect place for an sims to get fit, if the sim doesn't have enough money for own gym equipment.

Movers & Shakers
Movers & Shakers is a gym located in Willow Creek's Willow Creek Commercial District. Prior to Patch 21, it was one of two gyms in The Sims 4 base game.

Burners & Builders
Burners & Builders is a gym in Oasis Springs' Oasis Springs Commercial District. Prior to Patch 21, it was one of two gyms in The Sims 4 base game.

The Fitbox
The Fitbox is a gym from the Library since Patch 21. It was built for Newcrest.

Harbor Quarter Gym
Harbor Quarter Gym  is a gym located in Modern District of Windenburg. There is a pool located in the first floor along with a 'locker area' with toilets and showers and a bar area in the third floor. It is also the club location of Powerhouse.

Skye Fitness
"'Skye Fitness Gym sits at the head of Uptown’s behemoth architectural complex. Enjoy breathtaking views of the city while shooting hoops on the gorgeous open-air basketball court.'"

Skye Fitness  is a gym located in Uptown of San Myshuno with the Lot trait 'Bracing Breezes'.