In the realm of port operations, optimizing performance and sustainability necessitates a profound understanding of geoinformation requirements and market priorities. EO4The port of the future aims to modernize port services by fostering better connectivity and zero emissions, thereby ensuring optimal service provision across all ports. Embracing the vision of ESA, this initiative leverages Earth Observation (EO) services and artificial intelligence (AI) to enhance port intelligence and facilitate knowledge-based decision-making. By bridging gaps in EO utilization within the port environment, the project endeavors to develop a comprehensive set of data-driven applications to improve efficiency, security, and sustainability. Through stakeholder engagement and the establishment of industry guidelines, the project seeks to promote widespread adoption of EO-based products, fostering economic growth and job creation in the European port sector. Lessons learned from this endeavor will not only advance port operations but also open new opportunities for the EO sector within the port market.