Boutique and luxury gym brands like Equinox and Lifetime are at the premium end fitness offerings, and do usually have a steam room (along with other aqua amenities like saunas and pools).
Mid-range priced options like 24 Hour Fitness, VASA, and California Family Fitness most likely have steam rooms too. You'll see the monthly costs around $30 and up, and with that price comes bigger facilities, and much more room for activity! Again, saunas and pools usually come along for the ride too).
When you get to the smaller, franchise-based gyms (often found at strip malls), they likely don't have the space for a steam room (these are locations like Anytime Fitness and Crunch). Usually their amazingly affordable monthly membership costs of $10 to $20 don't cover
Finally, class-based (HIIT) brands like Orange Theory, F45 and Barry's don't have steam rooms. Their focus is on group and individual functional training and workouts—not amenities like steam, sauna and pool.
Ever felt the adrenaline rush of leaving a hot steam room? It's an incredible feeling—that's why you'll find me in them often! Steam rooms have become a popular amenity at gyms, and their health benefits are immense. Here's why: