🇫🇷 Castelnau-Montratier, France

Castelnau-Montratier is a small commune in the Tarn-et-Garonne department of France. It has a population of around 1,500 people. Although it is not a coastal city, it is located near the Canal du Midi, a famous waterway in southern France, which may be of interest to seafarers and boat enthusiasts. However, it does not have any major ports, shipyards, or factories producing ship parts.