The Best Environmental Nonprofits in Marin

The stunning natural landscape of Marin County is truly one-of-a-kind, and most here agree that it should be protected from being paved over or neglected. 

The 2025 readers’ choice Best of the County winner is the Marin Agricultural Land Trust (pictured above). For the rest of the Marin Magazine‘s Best of Marin County Environmental Nonprofit picks see below.

Our 2025 Philanthropy category sponsor is Marin Community Foundation. View the rest of the Philanthropy category here.

We’ve broken it down by region: Southern, Central and West Marin.

Southern 

Tiburon

Central

Corte Madera – San Rafael

West

Point Reyes

Southern Marin

Richardson Bay Audubon Center & Sanctuary

Tiburon

Richardson Bay Audubon Center and Sanctuary
Photo courtesy of Mike Fernandez and Casey Arndt

Once upon a time, Richardson Bay was headed to a life as a business area and residential marina. But concerned citizens rushed to its defense and purchased the land to create a sanctuary for birds and other water wildlife. The bay is open to everyone, so long as you don’t disturb any winter birds in hibernation.

376 Greenwood Beach Rd, Tiburon, 415.388.2524

Central Marin

Conservation Corps North Bay

San Rafael

Photo courtesy of the North Bay Conservation Corps Facebook

Conservation Corps of North Bay empowers youth to transform their lives through environmental work, career coaching and paid work opportunities guiding young adults into careers that benefit themselves, their communities and the natural world around them.

27 Larkspur St, San Rafael, 415.454.4554

Friends of Corte Madera Creek Watershed  

Corte Madera 

Photo courtesy of Friends of Corte Madera

When a report was published 30 years ago suggesting a group of environmental activists form to mitigate the destruction of the creek, Friends of Corte Madera Creek Watershed was born. They work to develop scientific knowledge of the creek and tributaries, and then to share that information with the public. Friends encourages public participation and awareness through habitat projects, creek clean ups and policy, hoping to bring the county together over the watershed we share.

PO Box 415, Larkspur, 415.456.5052

Friends of China Camp

San Rafael

Photo courtesy of Friends of China Camp Facebook

Along the shores of San Pablo Bay lies China Camp Park, offering stunning waterfront views, meadow and oak habitats and all manner of wildlife. This state park offers volunteer opportunities, events, and field trips for those looking to learn their history while wandering through the gorgeous environment.

101 Peacock Gap Trail, San Rafael, 415.456.0766

West Marin

Marin Agricultural Land Trust

Point Reyes

Marin Agricultural Land Trust hikers.
Photo courtesy of Marin Agricultural Land Trust on Facebook

Marin Agricultural Land Trust has protected over 55,000 acres of Marin farmland with their coalition of ranchers, farmers and environmentalists, and they only plan to grow this number.

145 A St, Point Reyes Station, 415.663.1158

Philanthropy Sponsor

Marin Community Foundation


Marin Community Foundation Tomorrow for us all text

MCF is the philanthropic engine of the County. They partner with more than 560 individuals and families who are committed to solving the toughest challenges the community faces, using expertise, connections, and resources.

Marin Community Foundation | Novato, CA | 415.464.2500 | marincf.org