In the vast ocean, where innovation meets sustainability, lies a realm of untapped potential in offshore renewables related ocean multi-use. Throughout this MOOC (Massive Open Online Course), we’ll dive into real-world examples of multi-use sites in action, alongside discussions on other space-efficient offshore energy solutions. Developed as part of the FLORES project and drawing from the expertise of projects like MUSES, UNITED, ULTFRAMS, MULTI-FRAME, etc. this MOOC offers an introductory study to the topic of ocean multi-use, with a specific focus on multi-use combinations that include offshore wind farms.