If you drive about an hour north of villa Ivana torwards Sibenik there is a well known bungee jumping venue. It is located on the bridge just before the exit to Skradin and Krka falls national park. Actually you can see Skradin from the bridge. Experience all this, and more at Villaivana.
Bungee jumping from Sibenik bridge (about 50 Km from Ostricka luka)