The Fitness Center at Intur Palacio San Martin
Intur Palacio San Martin's fitness center is referenced by writers. Of the 7 reviews tracked on TripExpert, 3 acknowledged the fitness center, such as Oyster, Rough Guide and Fodor's.
Intur Palacio San Martin 
Oyster
Rough Guide
Fodor's
Oyster "There is also a tiny fitness center, but it only has a handful of basic machines"
Rough Guide "Elegant and spacious rooms with period decor, a small gym and sauna, plus an attractive rooftop restaurant"
Fodor's "The bare-bones gym and sauna area is equipped with a couple of cardio machines—and that's about it"
