BDSM
IRC Channels, Abbot's Place, Alter Realm, Ameeshia, Bondage Forums, Brian's Page, Collar Me, Dominance and Submission, FemDom, Fetish Training, GagTalk
BeastForum
Beastiality forum with an emphasis on home-made movies/pictures and zoophilia discussion.
Enema Chat
A chat and contact board for those interested in enemas and sex.
LookeeMe
Collection of forums for exhibitionists and voyeurs to share stories and pictures. Includes forum for dares. Free membership required.
Underwater Glamour and Erotica Forum
Discussion for aquaphiles.