Besides moving around the entire seastead, we'll need various methods of bringing people and goods there and back again. Obviously the size of this cargo stream depends on how much the seastead is importing (its self-sufficiency), how much it is exporting to the world, and the size of its tourist industry. If the seastead is functioning as a resort, it is crucial to have good ways of getting passengers there and back again. The closer to land, of course, the cheaper this transportation will be. There are two basic methods of moving over water: