Article content The three have been deemed unsafe for swimming as of Wednesday morning due to high levels of E. coli bacteria. We apologize, but this video has failed to load. Try refreshing your browser, or E. Coli at three Toronto beaches nixes swimming Back to video The affected beaches are Marie Curtis Park East Beach at the foot of 42nd St., south of Lakeshore Rd. W., Sunnyside beach at the foot of Parkside Dr., south of Lakeshore Blvd, and Cherry Beach at the foot of Cherry St., in the south Port Lands area. Samples for the E. coli readings were taken Tuesday with the results released Wednesday morning.