In response to the increasing demands and pressures for maritime space, the benefits of multi-use have been demonstrated by a number of projects. This technical study by the European MSP Platform highlights existing initiatives and forms of multi-use at sea in Europe and provides proposals to reduce licencing obstacles to its deployment. Based on best practice, this technical study provides tools for the implementation of CMA Goal II: A competitive, innovative and sustainable blue economy for the Black Sea, through the development of synergies between blue economy sectors.