We have so far registered 1,478 home ports
| Name | Founded | | Loch Long, Argyll and Bute, Skottland | |
| London, England | |
| Londonderry, Nord Irland, Uk | |
| Long Beach, California, USA | |
| Long Pound, Maine, USA | |
| Longyearbyen, Spitsberg, Svalbard | |
| Lorenzo Marquez, Mosambik | |
| Los Angeles | |
| Lossiemouth | |
| Louisbourg | |
| Lourenço Marques | |
| Lovisa | |
| Lowestoft | |
| Luanda | |
| Luderitz | |
| Luleå, Nordbotten län, Sverige | |
| Lunenburg, N.S. | |
| Lurøya | |
| Luvia | |
| Lyngseidet | |
| Lyngør | |
| Lyon | |
| Lysekil | |
| Lyttelton Harbour | |
| Lödöse | |
