02/18/2026
Watch what our people say about us.
The 15 Association
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B**M fraternity for gay men, hosting monthly play events in San Francisco. WE HOLD an annual Boot Camp run, plus social events and charitable fund raising.
WE ARE a social fraternity for men who engage in B**M -- the longest-standing gay B**M group in the western USA, with premier players who mentor by example. WE HAVE monthly play events at a private, well-equipped dungeon, supervised by safety monitors.
01/20/2026
A Statement on Inclusion
The 15 Association, one of the world’s oldest men’s B**M organizations, has always been inclusive of trans men. Throughout the decades, we have sought to be more welcoming of all men in our community as the understanding of gender continues to evolve.
While preserving the affinity of male-centered spaces and masculine energy, The 15 commits to ensuring our events are welcoming of trans men and non-binary and intersex people who identify or present as masculine for the purposes of our events. The 15 additionally commits to educating our members to ensure they are informed and up to date on our inclusion policy.
The 15 unequivocally supports the freedom and rights of trans and gender-diverse people.
01/29/2024
It is our great pleasure to invite you to Anniversary Weekend 2024.
Please join us as we renew old friendships, make new ones, and enjoy the company of our members and guests in the friendly and relaxed environment that has become a tradition for us.
And of course, there will be plenty of opportunities to play.
Learn more about our Anniversary Weekend at 15sf.org
05/03/2023
We still have some Bunk spots and a lot of Camping opportunities for our Boot Camp # # .
The registration deadline is coming soon, at the end of the month.
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San Francisco, CA