Hi,   Just grab a taxi. In Europe it is, by far, easier to grab a taxi than to book a private transfer.   Taxis reach piers. I do not know where NCL will moor in Barcelona (pier is able for several ships at the same time). Perhaps it will be the only ship in Barcelona that day (you can search if it does) but all kind of transport is available to reach the pier (usually taxis, buses and trucks for freight but I know relatives who go with some friends by car and later, car