You can reach Split by the ferryboat liner which connects the cities Rijeka on the north and Dubrovnik on the south. Also, local ferry lines are available for all the central Dalmatian islands. There are fast and regular ferry lines going from Ancona and Pescara, Italy, to Split.
There are also train connections from Split to the north of the country and further on to the rest of Europe, which all have an option of car transfer.