Most of the city’s municipal outdoor pools are open from mid-June through August. Admission is free on weekdays. On weekends and holidays there’s a small fee of no more than C$4 at some pools, depending on the borough.
Parc-Plage l'Île Notre-Dame. The west side of Île Notre-Dame is home to the city's man-made beach with probably the cleanest water (tested and monitored) in Montréal, which makes the entrance fee worth it. The Islands, Montréal, Québec, H3C 1A9. 514/872–6120; www.parcjeandrapeau.com. C$9. Mid-June–mid-Aug., daily 10–7; mid-Aug.–early Sept., daily noon–7.