Swingers site with a "Facebook" look.
Nudism based site
Site owned by and focused on "French Connection Events". They organise various events, including cruises and "Naughty in Nawlins" conventions. This site allows people to connect with others going to the same event.
Used to be a happening site but is no longer with us.
Seniors gone Wild
Smaller swingers site for those over 50
Adult Swing Connection
Site looks a bit dated, and seems to no longer be in use.