Environmental & Conservation

• Conservation Corps North Bay
  
• Ocean Voyages Institute
• Water Challenge Ambassadors
• Save the Bay
• NOAA Ocean Guardian Youth Ambassador program
  
• Marine Mammal Center
• Monterey Bay Aquarium
• Surfrider Foundation
• Bay Keeper – beach clean up
• Golden Gate National Parks Conservancy
• Marin Audubon Society
• Slide Ranch
• Friends of China Camp
• WildCare
• Bay Area Youth Leadership Initiative 

Emergency & Public Safety

• Search and Rescue

Human Services

• Canal Alliance
  
• Center for Farmworker Families
• Gilead House
• Help-A-Neighbor Group (californiavolunteers.ca.gov)
• Make it Home 
• Little Wishes
• Meals on Wheels
• Community Action Marin
• Sparkle Foundation
• Homeward Bound
• Center for Domestic Peace
• Cedars
• St Vincent de Paul
• Ritter Center
• Ceres Community Project
• Jewish Family and Children’s Services

Special Projects / Skill-Based

• Big Skills Tiny Homes
  
• Hands On Bay Area
• Extra Food

Youth, Education & Leadership

• Play Marin
  
• PAASS (Project Awareness and Special Sports)
• Outward Bound’s Youth Leadership Corps
• Impact Leadership Program for Jewish students
• Bridge the Gap
• Schools Rule Marin
• Marin 9 to 25: Find Your Way
  

Animal Welfare

• Marin Humane Society
  
• Guide Dogs for the Blind
• Milo Foundation
  
• WildCare

Any ideas to add to the list? Reach out to PR!