The Bar/Lounge at Radisson Blu Hotel, Prague
Sheraton Prague Charles Square Hotel's bar/lounge is mentioned by travel writers. Of the 3 professionals that we tracked, 2 praised the bar/lounge, including Star Service and Oyster.
Radisson Blu Hotel, Prague 
Star Service
Oyster
Star Service "This hotel has a Club Level, with guests in the larger more amenity-rich Executive rooms privy to an exclusive lounge with all the expected perks"
Oyster "A variety of features include a French restaurant, late-night bar, and seasonal rooftop terrace with panoramic views, plus a small spa, 24-hour fitness center, and meeting rooms"
