Sardinia has known, like all the islands, openness to other civilizations through the sea, and it is through the sea which develops naval connection that leads annually on thousands of people.

The ferry to Sardinia effectively linking the island to the mainland through a punctual service, with the ports of Civitavecchia, Fiumicino, Palermo, Genoa, Livorno, Piombino, Naples, Trapani, Boniface, Propriano, Toulon, Marseille, Tunis, depart boats and ferry boat (in the season into fast ferry operation covering the distance in three hours and a half) entering in Cagliari, Arbatax, Palau, Santa Teresa di Gallura, Golfo Aranci, Porto Torres. 

The port of Olbia also has developed over the last thirty years to be recognized as the first port passengers in Italy. It is recommended to those who want to reach Sardinia with ships in the summer months to make a reservation in time, because ships traveling to Sardinia always at full capacity, while periods of low season there is no problem.