The Port Authority is integrated in the main land transportation networks, with a rail link to the national railway network and a highway that together guarantee fast and safe transportation of goods to any point in the Iberian Peninsula and Europe.

 The Port of Marín has over 7 kilometres of railroad track. It has 7 main lines with sidings for the different goods that allow for operations involving extra-long train configurations with no partitions. The Port Authority has its own highly-specialised personnel trained as Rail Traffic Managers for the arrival and dispatch of goods trains. Private operators also have specialist personnel and their own haulage vehicles.