San Francisco Hang Gliding Center
- Offers tandem hang gliding, paragliding, and solo lessons from Mt. Tamalpais State Park. Also ultralight aquagliding and equipment sales.
- http://www.sfhanggliding.com

La Spada Nimica
- Times, costs, maps and directions for this club based in Mill Valley and Sausalito. Also includes a FAQ.
- http://www.fencing.franklurz.com/

Marin Race Walkers
- Racewalk club provides "coach's corner" tips from Jack Bray.
- http://www.marinracewalkers.org/

Marin Women's Soccer League - MWSL
- Information, registration, schedules, and standings for Bay Area women's soccer league.
- http://www.mwsl.net

Marin Trails
- Guide to the great outdoors in Marin County, including hiking, mountain biking, wildflower and bird watching.
- http://www.marintrails.com