26 epic things to do with kids in Key West, Florida. There is so much more to do on a family vacation to Key West than visit the Southernmost Point and walk up and down Duval Street. Some of our favorite Things to do in the Florida Keys are in Key West. We share some places to stay (hotels and RV parks), the best snorkeling and jet ski and boat tours, our favorite kid friendly museums, restaurants not to miss (hint – some have beaches!) and other family activities!