Farmers' Market Association
- Organization coordinates farmers' markets throughout the region. Provides directions to each market and applications for vendors.
- http://www.marincountyfarmersmarkets.org/

Marin Development
- Promotes adding an extra lane to US-101 rather than extending mass transit to Marin County.
- http://home.comcast.net/~marininfo/

Belvedere-Tiburon Landmarks Society
- A non-profit, charitable, educational organization for the acquisition and preservation of property of significance to natural and cultural history.
- http://www.landmarks-society.org/

WildCare and Terwilliger Nature Education
- Provides care for ill, orphaned or injured wild animals, and nature/environmental education for children and adults.
- http://www.wildcaremarin.org/

Bel-Tib Newcomers Club
- Provides social contacts and activities for the new residents of Belvedere and Tiburon.
- http://www.beltibnewcomers.org/

Spectrum Center for Lesbian, Gay, Bisexual and Transgender Concerns
- Provides programs and activities for the LGBT community. View calendar, events, programs, activities and resources.
- http://www.spectrummarin.org/

Volunteer Center of Marin
- County's clearinghouse for volunteers and volunteer opportuntities.
- http://www.marin.org/comres/volunteering.cfm

The Political Graveyard: Marin County
- Political history site provides demographic summary, names and brief biographies of politicians who were born, lived or died in the county, and a list of cemeteries and memorial sites related to those politicians.
- http://politicalgraveyard.com/geo/CA/MR.html