100MARIN About

Imagine the power of 100 caring hearts coming together to create real change.

That’s the idea behind 100MARIN, Marin County’s premier giving circle. Founded in 2015 by passionate local business professionals, our mission is simple: to amplify impact through collective giving. Each year, our network come together to pool donations and support outstanding Marin County nonprofits. Through this model, we maximize the power of individual generosity and directly invest in organizations that uplift our community.

Membership

Join with an annual donation of $150 or more and you’ll be eligible to nominate local nonprofits for funding and attend our annual event.

Community Impact

Since 2015, 100MARIN has awarded over $429,000 to 62 nonprofits, with hundreds more nominated.

Five Inspiring Finalists

Each year, five nonprofit finalists are chosen to share their stories at our Celebration of Philanthropy event.

Every Dollar Stays Local

All contributions go directly to strengthening Marin County through local nonprofit support.

Celebration of Philanthropy

Our annual gathering brings together 100MARIN members and sponsors to celebrate collective giving in action. Enjoy great food, local wines, and the opportunity to hear directly from outstanding Marin County nonprofits.

Your Vote Matters

At the event, attendees will cast their votes to help determine the recipient of our pooled fund, creating an immediate impact in our community. The remaining finalists each receive $1,000 to support their mission.

Change starts here.

Our mission is simple: