Psychedelic Society of Boston
Boston's primary psychedelic community organization — operating in one of the most academically rich psychedelic research environments in the country, drawing on Harvard, MIT, and McLean Hospital.
Type: Community
Location: Boston, MA
Members: 2,200+
Membership: Open community access
Venues: Harvard Divinity School area venues, Cambridge; rotating Boston locations
Activities: Monthly integration circles, speaker series drawing on Harvard, MIT, and McLean Hospital researchers, harm reduction education, community ceremonial support, connection to Massachusetts decriminalization advocacy.
About
Psychedelic Society of Boston operates with approximately 2,200+ members, hosting monthly integration circles, a speaker series featuring researchers from the dense Boston-Cambridge academic ecosystem, and harm reduction education for the large Massachusetts community interested in psychedelic medicine.
Boston's academic concentration — Harvard (historic center of psychedelic research, home of Timothy Leary and Richard Alpert/Ram Dass), MIT, McLean Hospital (one of the nation's leading psychiatric research centers), and Tufts — gives the Boston psychedelic community unusual access to credentialed researchers, clinicians, and historians. The Society's speaker series regularly draws on these institutions.
Massachusetts decriminalized natural psychedelics through a November 2024 ballot measure (Question 4), giving the Society an expanding advocacy role as the state moves toward regulated access. The Society provides community education on the new regulatory landscape and serves as a bridge between the academic research community and the broader public.
Why It Matters
Boston's academic density — combined with Massachusetts's evolving legal framework — makes it one of the most important cities for psychedelic community infrastructure. The Society connects the clinical, academic, and community dimensions of what is now a legal reform movement in the state.



State Legal Context
See current psilocybin laws in Massachusetts.