World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Guardia | CRGDA | Costa Rica |
| Guardizela | PTGUA | Portugal |
| Guarujá | BRGUJ | Brazil |
| Guasave | MXGSV | Mexico |
| Guatuso | CRGUA | Costa Rica |
| Guayabal | CUGYB | Cuba |
| Guayacán | CLGYC | Chile |
| Guayaguayare | TTGUA | Trinidad and Tobago |
| Guayanilla | PRGUY | Puerto Rico |
| Guayaquil | ECGYE | Ecuador |