The Bar/Lounge at Hilton Denver City Center
Denver Marriott City Center's bar/lounge is mentioned by professionals. Out of 4 professionals that we tracked, 3 endorsed the bar/lounge, like Fodor's, Gayot and Star Service.
Hilton Denver City Center 
Fodor's
Gayot
Star Service
Fodor's "The casual Prospect's Urban Kitchen & Bar ($$) is worthwhile whether you have an expense account or not, and there's a Starbucks on-site"
Gayot "Restaurants include Allie's American Grille and the Great Divide Lounge"
Star Service "Escalators drop down to the big bar lounge with more red chairs set to tables, and some big-screen TVs provide entertainment"
