the health and diversity of the ecosystem
the river and its many important inhabitants,
the folks who depend on a healthy watershed
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St. Marys Riverkeeper 's important role

The St. Marys River is 130-miles long, winding through four counties in two states. That includes more than 60,000 residents who depend on the health of the river for tourism, recreation, commercial fishing, and safe drinking water. Wildlife and plant ecosystems rely on the continued cleanliness of the watershed, including 3,000 miles of streams and tributaries. To all individuals, families and businesses who care about the local and global environment, and specifically clean water, please support SMRK. With your help, the St. Marys River will remain healthy and beautiful.

What We Do

We protect and enrich the St. Marys River watershed and engage the community to keep our river pristine.

Get Involved

We need your financial support, your interest, your time, and your talents. Volunteer and become a Member.

Upcoming Events

Join us as we learn about, celebrate, and come together to protect our St. Marys River!

St. Marys River Oke to Ocean Tour

Experience all the St. Marys River watershed has to offer from Oke to Ocean with overnight excursions in the Okefenokee Swamp, St. Marys River, and Cumberland Island. We will be joined by guest experts to ensure a memorable and impactful experience. Space is limited for each excursion and registration is al a carte. Details and registration coming soon!

Our extensive Citizen Science water testing program is a powerful resource to protect our wonderful river.
Tracking water quality is a quantifiable tool that can either reassure us that the water is good or confirm that there is a problem and thus lead us upriver to find it.