I'm trying to find a gym that offers group fitness classes, like step and spin classes. Do they have these types of classes here?

Yes. Great group classes in this YMCA, at different hours too. Nice spin room

Yes, and many more.

Yes, also water aerobic exercise classes.

They offer step, Zumba, spin, yoga, water aerobics, TRX, Les Mills classes like Body Combat and Body Pump and an outdoor bootcamp style class. If you purchase a MyZone heart rate monitor, you can watch your progress on multiple screens within the facility.

Yes. There are multiple choices of such classes.

Yes

Yes they do, and many to choose from