Arles Rhône 3 is an ancient Roman boat discovered in 2004, with parts of it only 13feet below the surface in the Rhône River of Arles, France.[1] [2] [3] In the 1st century AD, it had been a 102feet long river trading vessel. It has been displayed since 2013 at the Musée départemental Arles antique. A marble Neptune was also discovered in the river,[4] and divers recovered many amphorae.[5] [6] The boat's flat bottom was made of oak planks.[7]