Protecting Orange County’s Coast, Rivers, and Streams

Improving Water Quality & Defending Public Health Since 1999

Featured Events & News

Toast the Coast

Join Coastkeeper and community members for an evening full of laughs, dinner, and good company at our annual Toast the Coast event at the Irvine Improv. We will be celebrating our 19 years of achievements towards protecting clean water.

Tickets are now on sale!

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Coastal Cleanup Day 2018

Come out September 15 and join us for the world’s largest cleanup event! Help us protect our ocean from plastic pollution.

Visit our Coastal Cleanup Day website to learn more about how you can get involved and to find a cleanup site near you.

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About Coastkeeper

Orange County native Garry Brown founded Coastkeeper in 1999 to protect the local shores and waterways for future generations. We collaborate with the public and private sectors as an advocate for healthy, accessible, and sustainable water resources.

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Donate or Volunteer Today!

Join the swimmable, drinkable, fishable and sustainable mission of Orange County Coastkeeper. Contribute to our active and effective programs by donating or volunteering.


We need your help to accomplish our important mission to protect water resources and our local environment! There are many volunteer opportunities available to meet your interests and time schedule!

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Take a trip to our Garden

Join us at our unique, sustainable garden Wednesday- Saturday.

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Keep up to date with the latest news and events from Orange County Coastkeeper!

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Our Results

Over nearly two decades, Coastkeeper has become an effective and proactive organization that advocates for everyone’s inalienable right to clean water.


# of Children Reached in Whales Program


Pounds of Trash Removed


Square meters of eelgrass planted


Community members engaged in 2017
July 23, 2018

Meet the Legal Intern Dream Team Protecting Our Waters

Did you know Orange County Coastkeeper offers competitive legal internships? Our program provides the next generation of environmental lawyers with hands-on experience fighting for clean water. Meet our dream team…
Guest Writers
July 6, 2018

Three Ways You Can Keep Microplastic Out of Our Waters

Although the problems with microplastic pollution might seem overwhelming, there is a lot that can be done to reduce the flow of microplastics into the environment: 1. REFUSE and REDUCE…
Guest Writers
July 6, 2018

Three Things You Might Not Know About Microplastic Pollution

For years, environmentalists have been concerned about the impacts of plastic pollution in oceans, lakes and rivers. Much of this concern began with larger, more visible plastic documented in oceans…

Contact Coastkeeper Today!