The US$1bn container terminal - built and managed by Dutch firm APM Terminals - is set to begin operating within a week.
Nearly US$40bn in investments is frozen due to unfinished works.
Port authority CEPA is currently carrying out a consultation process with potential investors to promote the project and receive feedback on the terms of a planned tender for La Unión port.
The public works ministry will modify the framework for the initiatives, which will include partial funding of studies by the state and higher premiums for those who propose them.
The frontrunner has declared his intention to go ahead with unfinished projects.
Investors have become largely immune to Peru's political noise, focusing instead on promising long-term potential, according to Moody's.