Have you ever tried squash? It's a fun and unique way to stay in shape! The equipment isn't expensive and it's easy to learn the rules.
We have 3 dedicated squash courts and one racquetball. Must be a member to play - but as a member you have 24 hour access to courts.
Here's a good article explaining some of the great reasons to take up this sport:
http://www.healthfitnessrevolution.com/top-10-health-benefits-playing-squash/
Here's a link to the rules of the game:
http://www.squash.ca/en/rules-game