Naples

By ship
By ship

Cruise ships dock at Stazione Marittima, a large terminal located right in the city center, near Piazza Municipio.

MedMar Group
(http://www.medmargroup.it) operates several large ferry/passenger ships that connect Naples with Sardinia Olbia, Corsica Porto-Vecchio, Tunisia Tunis, and the Aeolian Islands. These trips usually leave in the late afternoon or evening and arrive at their destination the next morning.
Tirrenia Navigazione
(http://www.tirrenia.it/in...) operates an overnight ferry service that has two separate routes, one to Sardinia Cagliari and the other to Sicily Palermo.
By bus
By bus

Many national and international private bus services operate in Naples, generally stopping at Piazza Garibaldi or Piazza Municipio.

By plane
By plane

Naples is served by Naples Airport, also known as Capodichino Airport IATA: NAP (http://www.gesac.it/en/). Works are underway, but for the moment the airport it is not served by any rail system.

From the airport you can take a bus for €3 called Alibus: (http://www.gesac.it/en/alibus.html) which has two stops only: Stazione Centrale Central station and Piazza Municipio, near the main ferry port molo Beverello. You can buy your ticket on the bus. Further connections are listed on this page of the official website of the airport: (http://www.portal.gesac.i...)

If you have time to spare, you can take the 3S bus that will take you to the same stops as the Alibus for a cheaper price. The difference is that the Alibus has limited stops but the 3S will take you to the backstreets leading to the Stazione continuing all the way to the port and a shopping district. Also, the Alibus is airconditioned whereas most 3S buses are not.

Beware of illegal, unauthorized taxis and of anyone who may approach you directly. Authorized taxis are clearly visible at the exit; fixed fares exist for a number of destinations, and must be clearly shown in the cab. Make sure they are before getting on the cab and threaten to call the police "polizia" should the taxi driver try to push back.

By train
By train

The main station is Napoli Centrale - Piazza Garibaldi Station, connected to the Naples subway system. The buses R2 or 601 from the Piazza Garibaldi in front of the train station will take you within three blocks of the ferries at Stazione Marittima. Other stations include Mergellina, a magnificent Art Déco building and Campi Flegrei. The costs of trains from / to Rome vary a lot, ranging from a 10.50 Euro 3-hour regional train to a 45 Euro 1-hour 10-minute Eurostar 58 Euro in First Class.

By car
By car

Naples is directly connected with Rome by the A1 highway, and the trip takes generally less than 2 hours. Due to traffic jam and parking shortage in city center, it's advisable to leave your car in a parking lot near the motorway exit or your accommodation, and to use public transportation