Thousand Island Open 2025

The Thousand Island Open is approaching! The TIO is the premier 3-day bass fishing tournament event in Canada!! This annual event is based at Kingston's Portsmouth Olympic Harbour from July 24-26th. The 100 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 payment of $102,000 and a grand prize giveaway of a Bass Cat bass boat! Come down to Portsmouth Olympic Harbour to watch this amazing tournament take place!