Support TIA

Own Your Own Shoal Marker

To help support shoal marking, TIA offers its ” Your Own Shoal Marker” Program.

Become A Sponsor

TIA’s Sponsorship Program provides an opportunity for local businesses to support TIA.


TIA is a not for profit charitable organization.


TIA’s most important asset is you, our members. Without your membership support, TIA would not be able to continue its programs and activities throughout the year.

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.