Back in the early 1990's, when visiting HKG, I stayed at the YMCA International House. It was nice, clean, and relatively cheap.
I haven't been back to HKG since they opened up the new airport, so I'm not sure how close the YMCA is to that.
"It's fun to stay at the Y.M.C.A.
It's fun to stay at the Y.M.C.A.
They have everything for you men to enjoy,
You can hang out with all the boys ... "
Steve