To provide a fireboat that can jet water without sucking mud and the like even in a shallow place.

In a fireboat jetting jet water sucked from the boat bottom to carry out fire fighting activity, a lower face part of a jet water suction port 5 opened to the boat bottom is provided with a dust net 3 formed of stainless steel material, and both ends of this dust net 3 are suspended from winding rollers 4 provided at both boards of a hull 1. This dust net 3 is lowered to hold down mud and the like so as to prevent the mud and the like from being sucked even in a shallow place.