The Thousand Islands Association is a not for profit organization whose main focus is the placement and maintenance of shoal markers in the 1000 Islands region of the St. Lawrence River.


TIA promotes river safety, environmental awareness & community support.

River Safety

Our 300 shoal markers are there to ensure safe navigation. In Canada our territory stretches from the Bateau Channel to Brockville, and in partnership with Save the River, from Cape Vincent to Morristown on the US side.


Our river community has its own Ecosystem of habitats supporting an abundance of plants and wildlife. We align with other oranizations that support and promote environmental awareness and preservation


On both sides of the border we promote the common interests of boaters, property owners, visitors, businesses and municipalities


Business Support


Join Now


Support TIA Programs