Doesnt the Rma say that “shechar shel tvuah” the minhag is to be meikel?
Either way, bar, in the context of a hotel lounge means the place from where the drinks are purchased/served, one orders a glass of water or a diet coke at this bar as well.
Its ironic, the reason for the gezeirah is “chasunos” and this is where everyone goes for dates.