When it comes to boats, catamarans are some of the fastest vessels you will find, that offer not only speed but also comfort. But exactly how fast do catamarans go? Catamarans can be much faster than monohulls. This comes as a result of two hulls that are narrower than just one and allow the boat to cut through the waves by reducing drag and causing planing. Planing is the lifting of a boat over the water, a process that makes them go much faster. lg...