The Trillium is side wheeler ferry operated by Toronto Island Ferry, in Ontario, Canada. Toronto Ferry Services operates a fleet of ferries between its terminal at Bay Street and Queens Quay and three landing points on the Toronto Islands. The ship was built in 1910 by Polson Iron Works.The ferry was built for and initially operated by the Toronto Ferry Company.Trillium's sister ship the Bluebell and other ferries The Primrose and Mayflower in the company's fleet were also named after flowers. In 1911 the Trillium ran aground while on her return from a lacrosse match..