Public skatepark is a great place to make friends from all walks of life. Another great activity-based one is motorcycle group rides. Otherwise hosting weekly e

Public skatepark is a great place to make friends from all walks of life. Another great activity-based one is motorcycle group rides. Otherwise hosting weekly event nights at home. There's also a fair amount of "rationalist" or Effective Altruism events in the Bay Area for IRL HN-like intellectual discussion, dinners, movie nights, and what not.