We are the top Free Open Marriage Dating Site. Never pay anything, meet married men and women in an open marriage for dating and friendship. Cheaters. No matter what you're looking for, our 10 Best Adultery Dating Sites have an unsatisfied married couple or a cheating husband, arcseniors.com has it all. Meet People for Discreet Affairs - Married Attached Single Discreet Friendships, Affairs or Encounters, Cheating , Cheaters. Top 10 Cheating Websites for Married Couples. By Safiya Ellis | June 22, arcseniors.comet- cheaters - arcseniors.com · arcseniors.com. One of the major married dating services in the world. The first choice in Europe is now operating in the US!. The following sneaky sites and cell phone apps help them do so: A niche dating site for cheaters that encourages “high-class affairs,” meet2cheat facilitates.