Adult Friendfinder

The world's largest sex and swinger personals community ‒ with nearly 30 million active members worldwide. The site features video introductions, photo albums, steamy chatrooms, live Webcams and much more. Here you can connect with people who share your sexual interests. It is easy to chat online through their site anonymously.

You can specify whether you interested in erotic chat, email, phone fantasies, discreet relationships, one on one sex, just fun, or even group sex.  They also have a community where you will find advice, information and steamy erotic stories submitted by other members. You can join local or topical interest groups.

Other sites owned by Adult FriendFinder are FriendFinder.com and ALT.com