HTO Park is a small, sandy waterfront park on Toronto's central harbour. It is set up more for lounging than swimming, with yellow umbrellas, beach chairs, grass, and a good view across the lakefront bustle.
The park is best as a pause on a Harbourfront walk, especially in warm weather when the hard edges of downtown Toronto could use a bit of sand. Look for the nearby firefighters' memorial and the fireboats moored by the station.