The present invention relates to a marine vessel comprising a hull, which includes at least one load carrying facility defined by at least one loading space (3) with a given height (h), a given widthand a given length whereby the loading space is provided on a bulkhead deck (4), and a propulsion arrangement (5), which includes at least one steerable thruster (8) unit connected by a shaft arrangement (7) to a drive means (6). In order to provide better access to the bulkhead deck for loading and unloading the marine vessel, the steerable thruster unit (8) is arranged below the bulkhead deck (4) and the drive means (6) is arranged above the loading space (3). The shaft arrangement (7) comprises a substantially vertical shaft section (71) extending from the drive means (6) above the loadingspace (3) through the given height (h) of the loading space (3) and to the steerable thruster unit (8) below the bulkhead deck (4).