We have so far registered 1,444 home ports
| Name | Founded | | Gestemunde | |
| Gibara | |
| Gibraltar | |
| Gilbury | |
| Gironde | |
| Giske | |
| Giurgiulesti | |
| Gjeving | |
| Gjøvik | |
| Gladstone | |
| Glasgow, Lanarkshire, Skottland | |
| Glasson Dock, Lancastershire, England | |
| Glomfjord | |
| Gloucester, Glouchestershire, England | |
| Goa | |
| Goleiro | |
| Gool | |
| Goole, East Riding of Yorkshire, England | |
| Gourock, Iverclyde, Skottland | |
| Grangemouth, Stirlingshire, Skottland | |
| Granton | |
| Gravelines | |
| Gravesend | |
| Greaker | |
| Great Cayman | |
