The Fitness Center at SO/ VIENNA
Sofitel Vienna Stephansdom's fitness center is mentioned by those who travel for a living. Of the 8 publications that we tracked, 2 recommended the fitness center, such as Star Service and Fodor's.
SO/ VIENNA 
Star Service
Fodor's
Star Service "The hotel lacks a pool, but the fifth-floor spa is a spacious oasis of calm and pampering, with five treatment rooms, two whirlpools, two steam rooms, four lounges and a gym"
Fodor's "The gym is open 24 hours for night owls"
