Snap Fitness at 251 South Central Avenue, Hartsdale, New York.

Good price point, never packed, convenient location/parking and has all the equipment the majority of gym-goers would need - treadmills, elliptical, tons of machines including a smith machine, trx, and pulleys, squat and bench racks, and dumbbells over 100. Doesn’t have some of the typical corporate gym things like towels and locker rooms (they do have large bathrooms and a separate shower room, though) but those really aren’t factors for me. The best thing is they are open until 12 am - that was the biggest selling point for me because I tend to go later at night (9 or 10).