Altplayground.net
A meeting place for adults in the swinging and alternative lifestyles featuring personals, chat and an events calendar. Most members are on the East coast. [Membership]
BayCouples
Information center for people interested in the swinging lifestyle. Includes club listings, articles, discussion boards, free personals. Serves major cities. [Membership]
Don's World
Free sex wanted personals and swinger resources. [Validate]
Fantasy Swingers
Searchable contacts site for males, females and couples. Detailed descriptions, some entries with photos, forums and chat. [Membership]
West Coast Swingers
[California, Oregon and Washington] Free personal ads and club listings.