A ferry is a type of boat or ship designed to carry passengers, vehicles, and goods across a body of water. Ferries operate on fixed routes, connecting two points, such as islands or different sides of a river. They are an essential mode of transportation in many coastal areas and can vary in size and capacity. Ferries can be powered by various means, including diesel engines or electricity. Some ferries are equipped with ramps to allow vehicles to drive on and off easily. Popular ferry services include those in places like San Francisco Bay and Sydney Harbour, where they provide scenic views along with transportation.