
Welcome Aboard!
From Expert technical divers to weekend warriors, TIDA needs all hands to accomplish its mission. Our cleanups, improvement projects, fun dives and social events offer an opportunity to help improve the river experience, as well as meet new friends and dive buddies. We hope you'll consider becoming a paid member as your dues will help fund operations.
To get notified via email of upcoming events, join as a member or sign up below and we'll make sure you're informed about ways you can get involved. We will NEVER share your email, personal information, or bombard you with spam!
* Individuals who join between February 1 and August 31, 2026 will be designated as "Charter Members" and be eligible to purchase charter member-only merchandise.

NOT READY TO JOIN BUT STILL WANT TO HELP OUT?
Charter Membership Benefits
Membership directly supports underwater cleanup, wreck preservation, diver safety signage, and citizen-science initiatives in the Thousand Islands region. As a member, you become part of a growing stewardship community dedicated to protecting the St. Lawrence River. One hundred percent of your membership dues go toward supporting the organizations projects and operations.
Thousand Islands Divers Alliance is a registered 501(c)(3) nonprofit organization. Membership contributions are tax-deductible.
TIDA members receive the following benefits:
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TIDA member window sticker
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Custom TIDA Charter Member T-shirt
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Invitation to member-only dive days
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Recognition in annual report
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Future benefits are on their way...
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Your annual membership can be cancelled anytime


