You can get to Licata Marina by fligh, with low cost company like Raynair landing to Comiso, Catania and Palermo, or by car / ferryboat arriving to Palermo or Catania
Licata Marina is really close to Comiso Airport (60 km.) - served by Raynair & Alitalia, as well by buses and car rental shops - to Catania Airport and ferryboat Port (120 km. by highway), also served by Raynair, Alitalia and most of main airlines, as well by buses and car rental shops.
You also can drop to Palermo (180 km., less than two hours driving by highway), the main city in Sicily, with all services.
You also can drive to Licata Marina, taking the ferryboat in Villa Sangiovanni - very close to Reggio Calabria, a 20 minutes cruise, a hours driving toward south...