Food
Home Brewing
Indoor Games and Hobbies
- America's Foundation for Chess
- Northwest Chess
- Seattle Chess Club
- Seattle Gamers Assemble - roleplaying games
- Washington High School (& Junior High) Chess Association
Hand Crafts
- Association of Pacific Northwest Quilters
- Contemporary Quilt Art Association
Seattle Knitters' Guild
Mechanical
- Marymoor R/C Club - model airplanes
- Northwest Steam Society
Recreation Sites Hosted on SCN
- Bike Works
- Cedar Butte
- Enzian Schuhplattler Bavarian Folk Dancers
- Friends of Blakeley Crescent Park
- Friends of Marymoor Park
- Friends of Pritchard Beach Park
- Friends of Queen Anne Bowl (Rodgers Park)
- North Central Little League
- Northwest Folk Dancers, Inc.
- Northwest Zydeco Music and Dance Association
- Pacific Northwest Needle Arts Guild
- Puget Sound Aikikai
- Royal Scottish Country Dance Society Seattle Branch
- Sand Point Magnuson Park Plans
- Seattle Birders
- Seattle Canoe and Kayak Club
- Seattle Knitters Guild
- Seattle Residents for Fair Field Lighting
- Seattle's Restless Youth
- Soundview Park Project