Contact Us

Have any questions or comments? Feel free to contact us using the methods below.

Mailing Addresses

P.O. Box 274
Gananoque, ON K7G 2T8
🇨🇦 Canada


P.O. Box 718
Wellesley Island, NY 13640
🇺🇸 U.S.A.

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.