Thankful For You

At this time of year, when we reflect on our many blessings, we can’t help but think of you, our loyal supporters who have given so much to Calusa Waterkeeper.

Who We Are

Calusa Waterkeeper is guided by science to protect our water quality and human health. We fill a unique niche in Southwest Florida and would value your support!

Career Opportunities

Calusa Waterkeeper is currently seeking a Director of Development. Learn more or apply today.

Fighting for Drinkable, Fishable, Swimmable Water

Volunteer Hours and Counting

Since 1995

Calusa Waterkeeper is a non-profit organization dedicated to the protection of the Caloosahatchee River & Estuary in Southwest Florida. This includes Lake Okeechobee & Estero Bay, plus the near-shore waterways of Lee County. We strive to achieve this mission through education and promotion of responsible use and enjoyment by all people.

Thank you for all that you’re doing to improve our water quality and to educate us on changes we ourselves can make to help.

Vicky C.
Cape Coral

I have come to value the work of the Calusa Waterkeeper and its important voice in our community advocating for cleaner water. Keep up with the good work!

Stephen B.

We appreciate all that you do for our community and water quality. Great Job! Thank you, The Jensens.

Jensen’s Marina

Thank you Calusa Waterkeeper and John Cassani for all you do to educate the public about the water quality crisis we are facing in SWFL.

Denny S.
Fort Myers

Thanks to CWK for relentlessly using science and public outreach to fight for clean water in SW Florida! We all benefit.

Gerri R.
Fort Myers

I have learned so much as a volunteer Ranger with Calusa Waterkeeper. Excited to continue!

Mark D.
North Fort Myers

Happy to renew our membership and keep you on the front lines. Thank you for all you do.

Scott & Christine M.
Cape Coral

Explore the Issues

Waterways around the world are under attack by pollution and mismanagement. Southwest Florida is no different.
Calusa Waterkeeper is focused on several local action items as well as regional and national issues affecting our water policy and quality of lives.
We think you’ll agree, these are causes worth fighting for.

Learn the Issues

Recent News

John Cassani to Retire as Calusa Waterkeeper in 2023

John Cassani to Retire as Calusa Waterkeeper in 2023

It is with heavy, but grateful hearts that we announce the retirement of John Cassani as the Calusa Waterkeeper, effective January 1, 2023. John’s service to the Calusa Waterkeeper organization and the people of Southwest Florida has been immense and cannot be overstated.

John Cassani, Calusa Waterkeeper Accomplishments

John Cassani, Calusa Waterkeeper Accomplishments

As we honor John's Cassani's retirement as Calusa Waterkeeper and his career of service, here are but some highlights of his immense commitment to our environment and community. John was a founding member of Caloosahatchee River Citizens Association (CRCA) in 1995....

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