I would cross reference between these two sites. Both seem to be really accurate, neither lists any of the ones I know to always have been restricted or that have recently changed their policies.
Don't be alarmed if as you are walking in with a friend they ask to see her passport and make a scan of it, this is normal and she will have it on her ready for this.
http://www.gfriendlyhotels-dubai.com/
http://guestfriendlyhotels.asia/gues...-hotels-dubai/
The second link suggests asking a taxi driver where to find girls, do not do this, he will take you to a place with girls, but it will be for kickbacks not because they have the best selection.