Become a member and support SigMa:

  • Membership is open to any male identifying individual who is 18 years of age or older and ascribes to safe, sane, and consensual (SSC) BDSM and related activities.
  • Membership dues are $90.00 to join and $80.00 to renew*.
    • *Memberships which expired ’21, and ’22 during Covid can be renewals.
  • Complete the membership form. Click here to download a physical copy or click here to complete the form electronically.
  • Mail your completed physical form and your check or money order to:
    P.O. Box 76335
    Washington, DC 20013
  • Alternatively, pay through the donate button on the Donate page. Donations in addition to the cost of membership are always appreciated.