SexualForums 
A sexually educational message forum. Boards on general sexuality, sexual preferences, techniques, safety, and contraception.
http://sexualforums.comThe Male Multiple Orgasm Forum
Offers areas for newcomers, questions, and stories.
http://www.aimoo.com/forum/freeboard.cfm?id=458879
Sex Forum
An ad-free forum about all aspects of sex.
http://www.sexyforum.org/
Wet Dream Forum
A forum supporting discussion of wet dreams and providing hints for men who would like to again experience a wet dream or perhaps realize one for the first time.
http://www.wetdreamforum.com
Saucy Wench
A celebration of good, fun sex with or without the ties of commitment and love. Includes articles, stories, and a reader submission area.
http://www.saucywench.com
NoSexSupport.com
Discussion forums for people who are married or are in relationships and are not getting the sex they feel they deserve.
http://www.nosexsupport.com
