Northern California Knife Collectors Association
- NCKCA is a group committed to promoting the appreciation and responsible use of all types of knives and cutlery. Includes meeting schedule and links to related sites.
- http://www.NCKCA.com

Flinging Fools Juggling Club
- Includes details about the club's activities and meeting sites in Sebastapol and Rohnert Park.
- http://home.pacbell.net/cfernald/fool.html

The Double Bar M Ranch
- A boarding and training facility located in beautiful Sonoma County, California.
- http://www.doublebarmranch.com

The Guide to Sonoma County Nurseries
- Offers comprehensive online information about the specialty nurseries in this Northern California region, visited by gardeners from around the globe.
- http://springhillbooks.com

Underwater Adventures
- Professional scuba diving instruction and trips, offering certifications from snorkeling thru divemaster, our goal is to help you become a more confident scuba diver.
- http://www.svn.net/scuba

sonomapicnic.com
- Devoted to picnicking and outdoor dining in the Sonoma County wine country: calendar, books, maps and guides, inns, wines and cheeses, and interviews. Hosted by Jack Burton, author of Sonoma Picnic.
- http://www.sonomapicnic.com

Sonoma County Events Calendar
- Very extensive events calendar, updated daily.
- http://www.sterba.com/events/