"MDG - Club Smack sounds like what you're looking for. Only went the once, nice people.
It used to have a website, but can't find that any more. Did find this post though, which gives you an email address. Also try:
"SMACK! operates a strict Fetish/Fantasy dress code. The club is organised and assisted by experienced fetish scene people who are discreet and approachable. Feel free to talk with or contact Miranda or Mr Angry-Pants at firstname.lastname@example.org ""