The Fitness Center at Hotel Morrison 84 by Sercotel
The fitness center at Hotel Morrison 84 is acknowledged by professional reviewers. Of the 3 publications tracked on TripExpert, 2 recommended the fitness center, including Lonely Planet and Michelin Guide.
Hotel Morrison 84 by Sercotel 
Lonely Planet
Michelin Guide
Lonely Planet "Atop the building is a small gym and sauna, both with views; the 24-hour business centre is next to the lobby"
Michelin Guide "If it's recreation you're after, there's a gym on the property, and La Cima golf course lies nearby"
