Gomo Viaggi is an Italian ferry company based in Pesaro which runs catamarans between ports on the eastern Italian coast and several Croatian ports in the north of the Adriatic.
With this company you can sail between Cesenatico in Emilia-Romagna region in Italy and ports of Rovinj, Rab and Mali Losinj in Istria and Kvarner region in Croatia. Also you can sail from Pesaro in Marche region in Italy to the island of Rab, Novalja on the island of Pag and Mali Losinj.
These routes are operated by modern and fast catamarans which will take you between Italy and Croatia in only several hours. The routes are only seasonal and are available from mid-June until the end of August.
For detailed info about sailing schedule and ticket prices check here.