TIA is a not-for-profit organization that relies on membership, sponsorships, grants and contributions to
support our programs and ongoing operations.

TIA operates under the Thousand Islands Association for the Preservation of River Quality Inc. in Canada and the Thousand Islands Association, Inc. in the United States. Tax receipts are issued for all donations.

Why Your Membership Matters

TIA is the only organization placing shoal markers for the River Community - this is an essential service. Our mission of river safety is to heighten boater’s awareness of some dangerous shoals to avoid . TIA strongly encourages all boaters to use navigation charts when navigating the St. Lawrence River. Please be a TIA supporter, we rely on membership dues & donations to be sustainable.

Connect with TIA on social media and be part of our river community.