We are a non-profit organization that places & maintains shoal marking and promotes river safety, environmental awareness & community in the 1000 Islands region of the St. Lawrence River.

River Safety

We care about safety. We place and maintain over 300 shoal markers for safe navigation in the 1000 Islands region of the St. Lawrence River. Our territory stretches from the Bateau Channel to Brockville on the Canadian side, and in partnership with Save the River, from Cape Vincent to Morristown on the US side. Our organization supports emergency response for rescue, medical aid and firefighting.


We care about our environment. From glacial activity, the upper St. Lawrence River has created an archipelago of 1,864 islands known today as the 1000 Islands. Our river community has its own Ecosystem of habitats supporting an abundance of plants and wildlife. We promote awareness and align with focus organizations that support TIA’s vision for environmental preservation.


We care about our community. The Thousand Islands Association (TIA) is a Charitable, Non-Profit International Association. Within the 1000 Islands, we promote the community of interest among member boaters, property owners, visitors, local government, local businesses and service providers through core mission programs and effective communications.

A special message from Thousand Islands Association veteran Bill Hale about our flagship shoal marking program.


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