| Port Code | Port Name | Country |
| ITSPC | San Pancrazio | Italy |
| ITSPD | San Polo di Torrile | Italy |
| ITSPE | La Spezia | Italy |
| ITSPI | Spilamberto | Italy |
| ITSPL | Spello | Italy |
| ITSPM | San Pietro Mussolini | Italy |
| ITSPN | Spinetta | Italy |
| ITSPO | Sospiro | Italy |
| ITSPP | San Polo Di Podenzano | Italy |
| ITSPQ | San Prospero | Italy |
| ITSPR | Spoltore | Italy |
| ITSPS | San Pietro in Casale | Italy |
| ITSPT | San Pellegrino Terme | Italy |
| ITSPX | San Paolo | Italy |
| ITSPZ | Spezzano Albanese | Italy |
| ITSQN | San Quirino | Italy |
| ITSQO | Santorso | Italy |
| ITSQR | Sant'Arcangelo | Italy |
| ITSQZ | Squinzano | Italy |
| ITSRA | San Rocco Castagnaretta | Italy |
| ITSRC | Santeramo in Colle | Italy |
| ITSRD | Sordevolo | Italy |
| ITSRE | San Remo | Italy |
| ITSRG | Sarego | Italy |
| ITSRL | Scarlino | Italy |
| ITSRN | Saronno | Italy |
| ITSRO | Sarno | Italy |
| ITSRR | Serralunga D'alba | Italy |
| ITSRV | Serravalle Scrivia | Italy |
| ITSSA | San Salvo | Italy |
| ITSSB | Santo Stefano Belbo | Italy |
| ITSSC | Sansepolcro | Italy |
| ITSSD | San Martino in Strada | Italy |
| ITSSE | San Giorgio su Legnano | Italy |
| ITSSG | Sesto San Giovanni | Italy |
| ITSSI | Sìsini | Italy |
| ITSSL | Sassello | Italy |
| ITSSM | Sasso Marconi | Italy |
| ITSSO | San Sisto | Italy |
| ITSSP | Savignano sul Panaro | Italy |
| ITSSR | Savignano sul Rubicone | Italy |
| ITSSS | Sesso | Italy |
| ITSSU | Sassuolo | Italy |
| ITSTA | Sant'Angelo a Scala | Italy |
| ITSTB | Maso Stabbio | Italy |
| ITSTC | Sant'Eraclio | Italy |
| ITSTE | Santa Teresa di Gallura | Italy |
| ITSTF | Sesto Fiorentino | Italy |
| ITSTG | Stagno | Italy |
| ITSTI | Settimo Milanese | Italy |
| ITSTM | Settimo | Italy |
| ITSTN | Sant'Arcangelo di Romagna | Italy |
| ITSTO | Solto Collina | Italy |
| ITSTR | Stromboli | Italy |
| ITSTT | Settimo Torinese | Italy |
| ITSTZ | Stezzano | Italy |
| ITSUF | Lamezia-Terme | Italy |
| ITSUP | Maserada sul Piave | Italy |
| ITSUR | Sumirago | Italy |
| ITSUS | Susegana | Italy |
| ITSVA | Serravalle | Italy |
| ITSVC | San Vito lo Capo | Italy |
| ITSVD | Santa Vittoria d'Alba | Italy |
| ITSVI | Strevi | Italy |
| ITSVL | San Vito di Leguzzano | Italy |
| ITSVN | Savona | Italy |
| ITSVO | San Severo | Italy |
| ITSVR | San Valentino Torio | Italy |
| ITSVT | San Vito al Tagliamento | Italy |
| ITSVV | Somma Vesuviana | Italy |
| ITSVX | San Vito | Italy |
| ITSVZ | Seravezza | Italy |
| ITSXG | San Giorgio | Italy |
| ITSXM | San Martino sulla Marruccina | Italy |
| ITSZA | Suzzara | Italy |
| ITSZJ | Scanzano Jonico | Italy |
| ITSZN | San Zeno naviglio | Italy |
| ITSZZ | Selvazzano Dentro | Italy |
| ITTAL | Talamone | Italy |
| ITTAO | Taormina | Italy |
| ITTAR | Taranto | Italy |
| ITTAT | Torrevecchia Teatina | Italy |
| ITTBE | Trebaseleghe | Italy |
| ITTCM | Tricesimo | Italy |
| ITTCO | Corciano | Italy |
| ITTCT | Tarcento | Italy |
| ITTCU | Torrecuso | Italy |
| ITTCZ | Truccazzano | Italy |
| ITTDG | Torre del Greco | Italy |
| ITTDQ | Torri di Quartesolo | Italy |
| ITTDS | Torino di Sangro | Italy |
| ITTDZ | Toscanella Di Dozza | Italy |
| ITTEB | Terranuova Bracciolini | Italy |
| ITTEG | Tregnago | Italy |
| ITTEL | Telgate | Italy |
| ITTEO | Teramo | Italy |
| ITTER | Terni | Italy |
| ITTES | Tessera | Italy |
| ITTEV | Tavernelle Vicentina-Altavilla Vicentina | Italy |
| ITTGA | Taggia | Italy |