What type of activities are you looking for? and do you have a car?
1) Cape Canaveral ( Kennedy Space Center)
2) Cocoa Beach day and you could head over to the park and watch the cruise ships come and go, also lots of great places it eat.
3) If you are up to a day trip, or wanting to add a day, St. Augustine is a really nice area, see the fort and the town.
4) Clearwater beach- spend the day at the beach. Sand Key Park very family friendly just over the bridge, saltwater fishing excursions, pirate ship cruise, dolphin cruises
5) Airboat rides or Cruise the St. Johns River on a river tour, kayak tours ( St. Johns River)
6) Ft. Desoto Beach, tour the fort and spend the day on the day
7) Mt. Dora - wonderful little town and some unique shopping, there is a town square and there are music festivals and craft fairs.
8) Webster flea market - only on Monday
9) Lots of shopping, 2 outlet malls and 2 large indoor mall
10)
Lego Land
11) Mosi ( Museum of Science and Industry) and Lowery Park both over in Tampa
12) Mini Golf
13) Golf - lots and lots of golf courses - as well as Top golf
14) Fishing ( fresh water) excursions
15) Gatorland
16) Several water park options - Blizzard Beach - Typhoon Lagoon ( Disney) Volcano Bay ( Universal) Aquatica ( SeaWorld)
17) Disney Springs - not a park
18) Universal and Island of Adventure( not a Disney park)
19) Crayola experience
20) I-drive - Wonder Works, mini golf, Icon - (Eye over Orlando) and Sea life Aquarium
21) Helicopter tours
22) Sea World ( not a Disney Park)- Discovery Cove( way more than just a water park)
23) Ice at Gaylord Palms ( seasonal)
24) Lots of movie theaters - Disney Spring, City Walk,
25) Busch Gardens
26) Dinosaur world (right off of I-4, in Plant City)
27) Glazer Children Museum ( Tampa)
28) Florida Aquarium ( Tampa near the docks where the cruise ships are docked)
29) Green Meadows Farm
Hope this helps...