World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Asunción | PYASU | Paraguay |
| Aszar | HUZAR | Hungary |
| Atafu | TKAFU | Tokelau |
| Ataka | JPATA | Japan |
| Atakka Dry Port | EGBGB | Egypt |
| Atalándi | GRATA | Greece |
| Atami | JPAMI | Japan |
| Åtangen | NOATA | Norway |
| Ataquines | ESATQ | Spain |
| Atatajima | JPATT | Japan |