By plane: since the advent of low-cost airlines, it has become very easy and economical to reach Cagliari from the main cities of Italy and Europe.
In particular, in addition to flights normally offered by historical airlines such as Meridiana, AirOne and Lufthansa, check also availability with alternative companies such as
From Cagliari then it is necessary to arrive in Porto Vesme or Calasetta, places from which a ferry (look at the websites of Saremar or Delcomarto check their time schedules) will take you on St. Peter island.
Therefore, rent a car at one of the rental agencies available at the airport (Avis, Hertz, Sixth…) or call (with at least one day of advanced notice) one of the taxi service companies (Di.Be. Car - Tel. 338-8899022 or Autotrasporti Peloso - Tel. 338-8349596) available on the island. A fixed rate of about € 65 oneway is normally applied. They will pick you up at the airport and take you straight to the ferry. Once on the island a connection will take you straight to Casa Corallo.