Which gym do you find most motivating to train at?

I think it's a very personal preference. I like my commercial gym for certain things and my Crossfit box for others.

I'm pretty sure this would be individual specific...

I go to a small studio gym that is weight training specific...there is no cardio room and only a couple of machines off to the side if people want to warm up or cool down. The trainers their emphasize compound movements and Olympic lifting and those things are typically at the foundation of the programs they put together for their clients.

I like one but specific YMCA in my town. Tons of free weights/squat racks/platform, indoor track, cardio machines and yoga studios. At the hour I went I rarely had to wait long for anything. Can't afford it now though so my gym is my basement.

Local chain gym + crossfit box. I find I work much harder in the box, probably chasing their approval, a problem, I know.

I go to a small, family run, gym that's in my village. The equipment isn't the newest (although they're getting there) and there isn't a ton of cardio machines, but it has everything I want including staff and clientelle that are used to my wierdness, a couple of squat racks, plenty of weight plates, support for my goals (including having taught me to lift) and some kick *kitten* classes. Only problems are they aren't open the hours I'd prefer at the weekend, but I've got the high school gym across the road for then and my PT only runs classes not PT sessions in there, but I love my outdoor PT sessions seems much easier when I've got the breeze/rain/snow cooling me down.

Home gym and the great outdoors.

If I could row on the water, my gym would be outdoors, but living in New Mexico kind of precludes that, so my favorite gym is the one with several rowing machines.

Not a gym kinda gal. I love running through my neighbourhood
I love skating on our local outdoor rink
On the ice is where I get my most favourite workouts

The river, in a rowing shell, whenever possible.

But I do love my Y. Multiple locations in my medium-sized metro area, lots of classes, pools, diverse equipment, clean, well-maintained, friendly staff.
Statewide, reciprocal arrangements let me use other Ys on a temporary basis, as do some nationally.

My favorite feature of my Y: Everyone is there . . . fit people, fat people, people with various physical limitations or intellectual challenges, all economic classes (it's expensive, but there's Silver Sneakers and economic-need scholarships), old people, kids and even toddlers/babies, muscle-obsessed grunting bros, hijabi women, triathletes, old guys who only like to hang out & talk big in the jacuzzi, people of many nationalities (I regularly hear Spanish, Korean, and other languages in the locker room), every race. Everyone is friendly & treated well.

I love being around that diversity - so vibrant. I've been to other gyms locally - not the same, not even close.