Eden Hotel in Central, Wellington Street. That's a very nice place. No feeling of an hourly hotel. There are people working in Central working late, unable to catch the last train and go there for an overnight.
What is your GF requirement first?
If you want to open a room in HK Island, clean, and cheapper price. No la..
I have no ieda lor, if you dont want to spend money to open a room, than you or GF home lor.
If both of you have parents at home, waa.. both of you are very high enough to sex la. hahah...
Maybe parents are here, than both of you will have BB tim..