The Fitness Center at Hotel Amira Istanbul
The fitness center at Hotel Amira Istanbul is acknowledged by travel writers. Out of 4 reviews tracked on TripExpert, 2 acknowledged the fitness center, such as Fodor's and Star Service.
Hotel Amira Istanbul 
Fodor's
Star Service
Fodor's "Guests can make use of a small gym, Jacuzzi, and sauna, and upon arrival they are escorted to the delightful roof terrace for a welcome drink and brief city orientation"
Star Service "Alternatively, guests can use the hotel's tiny fitness center or pay for a massage treatment or to use the sauna"
