The concessionaire of Altamira port in Mexico will invest 3.86bn pesos (US$204mn) as part of its 2015-2020 strategic plan, according to information in the country's official gazette.
The money will be spent on modernizing and expanding the port, among other areas.
No details on tenders or how much would be invested each year were disclosed.
Some 400mn pesos of the total is earmarked for maintenance work, it said.
The plan involves work in areas including dredging, breakwater reconstruction, power and water lines, land-leveling for a 36,000m2 inter-modal area, coastal protection and security.
SCT is developing 25 port projects across the country requiring total investment of 67bn pesos.