A riverboat is ship designed for inland navigation. These vessels are usually less sturdy the ships built for the open seas, with limited navigational and rescue equipment, as they don't have to survive the high winds or large waves that are seen on large lakes, seas or oceans. They are limited in size by width and depth of the river as well as the height of bridges spanning the river. While a ferryboat is often used to cross a river, a riverboat is used to travel along the course of the river,… (More on Riverboat)