Check out the events calendar at www.sunny.org
, and see if the have a special event going on the day you are in Lauderdale.
The Sawgrass Mill Outlet Mall is humongus, as is, the Thunderbird Swap Shop, both nice take in, if you like to shop.
A tour of the Everglades on an air boat, is exciting..The Swimmers Hall of Fame is close by the port,and of course the beach is there to enjoy,and it's beautiful,and clean. You can also take a tour bus to enjoy the sights, or, do the http://www.junglequeen.com/
a wonderful leisurely boat ride tour down the New River, to see the homes, and, dine onboard. This is a good start for you, in my fave city....