Toronto Island ferry tickets purchased online in 2026 are generally valid for the entire current calendar year or for a specific season, depending on the terms at the time of purchase. Unlike many transit systems with strict time windows, a ferry ticket is typically a "one-time use" pass that remains active until it is scanned at the Jack Layton Ferry Terminal. However, it is important to note that tickets are usually non-refundable. If you purchase a ticket in the summer and do not use it, you can typically use it for a trip during the winter or the following autumn within that same year. If the ticket remains unused by the end of the operating season (usually December 31st), it may expire and lose its value. Because the ferry operates on a seasonal schedule—with frequent service in the summer and reduced service to Ward's Island and Hanlan's Point in the winter—travelers are encouraged to buy tickets online in advance to skip the long lines at the ticket booths, but only if they are certain they will visit during that calendar year.