Marine Spatial Planning (MSP)6 is a relatively new instrument designed to aid in answering all the three problems raised previously. According to a popular description, MSP is ‘a process of analysing and allocating parts of three-dimensional marine spaces (or ecosystems) to specific uses or objectives, to achieve ecological, economic, and social objectives that are usually specified through a political process’7. Forward-looking planning can supplement or even replace ad hoc systems of decision-making and regulation (Crowder & Norse, 2008; Ehler & Douvere, 2009). What MSP is promising, then, is a new process, which takes into account all the sectors of marine governance and allocates marine space both geographically and temporally for diffe...