to state and even from locality to locality. Zoning laws regulating proximity to schools or religious buildings, local norms, and other factors have all played a role. Most sex clubs in the U.S. and Canada do not serve alcohol because of restrictive state requirements associated with a liquor license, but some allow customers to bring their own. One of the first major "mainstream" sex/swinger clubs in the US was Plato's Retreat in NYC. It opened in 1977 and gained some notoriety because celebrities, porn stars, and well-to-do couples attended. Canada A court ruling in 2005 decriminalizing private sex clubs in Canada has allowed many to open. UK Swinging is popular in the UK, with upwards of 150 clubs in existence; these vary from specially designed premises to hotels and leisure clubs that have been adapted to the lifestyle. Some offer accommodation alongside food and beverage to complement the swinging experience. As well as clubs, the UK has many online special interest groups that focus on a particular fetish or aspect of a sexually liberated lifestyle; these groups often hold pop-up events in swingers clubs or private venues. Conservative estimates suggest that there are around 1 million swingers in Britain. The popular social networking swinger site Fab Swingers attract over 25 million hits each month, with 90% being from the UK. See also Exhibitionism Fetish club Gay bathhouse Happening bar List of universities with BDSM clubs Sex show Sex shop Strip club Swinging References External links NASCA International Sex businesses Casual sex