- Masters and Doctorate programs that provided in the Maritime Postgraduate Studies Institute are accredited by the Ministry of Education, Research and Religious Affairs, Greece (Helienic Republic)

- Masters of Science Program in Maritime Transport Ship Operation and Marine Safety Track is Accredited By the Central Evaluation and Accreditation Agency Hannover (ZEvA) as in annex (1)

- Masters of Science Program in Maritime Transportation is accredited by the Ministry of Education in Saudi Arabia.