About 85% of the world commodity trade is carried out by sea and merchant ships and maritime trade ports are the most important elements of the international logistics, supply and transportation chain. However, maritime transportation activities have also various environmental impacts from ports and ships for air, water, soil/sediments and ecosystem. In recent years, greenport/ecoport approach, which are becoming widespread in Turkey, especially in European ports, are aimed at disseminating environmentally friendly technologies, minimizing the environmental impacts of ship and port operations, energy saving and consequently more sustainable transportation. In this study, it is aimed to examine the contributions of “green-eco port approach” to logistics activities and merchant trade. In accordance with this aim, green-eco port approach and its international and national practices, specially regarding EU legislation, have been examined, and developable aspects of the implementation for Turkish ports by a comparison of the situation in the EU and in Turkey has have been determined, and an evaluation on contributions of existing green-eco port implementations to logistics activities and merchant trade has been carried out, and some recommendations have been expressed in consequence.