For anyone in the KW or surrounding area that wants to perfect their moves on a diving board before trying it on Ontario ice, the Waterloo Swimplex is a great place to go.
They have two 1m boards, two 3m boards and a 5m platform that the open up for the last 15mins of public swimming. For details, visit their webpage.
$3.50 if you're over 18, $3.00 if you're not.