The Fitness Center at Altis Avenida Hotel
The fitness center at Altis Avenida Hotel is endorsed by professional reviewers. Of the 7 reviews that we monitored, 3 mentioned the fitness center, such as Oyster, Fodor's and Star Service.
Altis Avenida Hotel 
Oyster
Fodor's
Star Service
Oyster "This Altis lacks the on-site amenities of some other hotels in the chain -- it has no spa, pool, or fitness center -- but it is a stylish, modern pick with fun design"
Fodor's "There's no pool or gym, but guests may use those of the larger Hotel Altis"
Star Service "Recreational options are absent here, but guests enjoy privileges at nearby sibling Hotel Altis, where a pool, massage services and a gym are at the ready"
