If you want to see Fort Lauderdale by water, there is a water taxi service, you can buy a pass to cruise up the intercoastal and see the town from a special angle, or you can use it to hop around to restaurants, and local spots.  The drivers will often give commentary on the

There are also buses that run around town, though they aren't necessarily frequent. 

Another fun way to see some of the town is the pedicaps along Las Olas. These are bicycles with a sitting basket in front, that go up and down the boulevard.  Not bad, if you arent the one peddling!