Once regarded as a slow adopter, the marine industry now faces unprecedented pressure to embrace new technologies swiftly, driven by ambitious climate goals and fragile supply chain demands, dictated by aggressive IMO regulations for sustainable shipping. This accelerated pace of change across so many disciplines bring forth heightened complexities in design, construction, and operations. In response, the industry is increasingly turning to more sophisticated technologies coupled with ever more complex digital models to navigate these challenges. Harnessing these advanced models and tools is crucial for extracting insights from the rapidly expanding datasets, thereby catalysing transformative innovations and discarding less effective ones. This presentation will delve into the current utilization of digitalization, including digital twin technologies in addressing present-day challenges and preparing for future advancements. It will explore how leading digital organizations are leveraging digital twins to revolutionize and optimize fleets, ultimately driving sustainable benefits across economic, environmental, and social fronts.