Due to the fact that the Riau Islands is an archipelago province located in an archipelago country, water transport becomes the main type of transportation. Inter-island connections are often contacted by water transport. This type of water transport includes ferries, canoes, speedboats, freight boats, etc. This ships consists of a ship operated by the state-owned Pelni company as well as private vessels. The main ports are located in Batam and Bintan. There largest cargo port is the Port of Batu Ampar in Batam. It serves cargo ships to and from Batam and has a capacity of 1000 container.