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to keep Casco Bay blue.

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We are postponing our 30th Anniversary Celebration and Members Annual Meeting in order to celebrate together at another time.

Stay tuned. We are exploring hosting this as an online event. We are also thinking about waiting until we can see you in person. Once we have made a decision, we will let you know.

To be sure you receive an announcement about our 30th Anniversary Celebration, sign up to receive our email updates here.


Get to know us. Read our stories.

Take a tour of our Cage of Science

May 14, 2020

What is this Cage of Science that Friends of Casco Bay keeps talking about? We invite you to join Staff Scientist Mike Doan out on… Read more

Good Green vs. Bad Green

April 16, 2020

If you have ever tried to pick the right shade of green to paint your bedroom, you know there are soothing greens and greens you… Read more

Boom and Bust: How phytoplankton influence pH

April 9, 2020

When we look at our water quality data, we can see that some characteristics of the Bay influence other characteristics. In this example, large phytoplankton… Read more

Reducing a large source of pollution into the Bay

April 6, 2020

A wedge of dirty brown water floating on Casco Bay after a hard rain makes it is easy to understand that stormwater is one of… Read more

Friends of Casco Bay’s mission is to improve and protect the environmental health of Casco Bay.  

Our areas of work are:


Friends of Casco Bay’s Successes

The impact of Friends of Casco Bay over three decades

Friends of Casco Bay has a long history of success. Since our founding in 1989, our work-with, science-based approach has moved the needle toward a… Read more


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Photograph by Kevin Morris


Photograph by Dave Dostie

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Cover photo: Photograph by Kevin Morris