Thousand Island Open 2025

The Thousand Islands Open (TIO) is the premier 3-day bass fishing event in Canada!!  This annual event is headquartered at Portsmouth Olympic Harbour in Kingston, ON July 24-26, 2025.  The 75 team field will battle it out on the St. Lawrence River and Lake Ontario.  The 3-day tournament attracts the largest field of international anglers, competing for a total guaranteed cash payout of $75,000 and a grand prize giveaway of a Bass Cat bass boat powered by Mercury Marine valued at over $80,000.