Disclosed is a watercraft comprising a body; a hull constituting a lower
portion of the body; a deck having deck floors formed on both sides of the body
in a width direction and a raised portion at least extending from a center portion
of the body to a rear end portion of the body in a longitudinal direction and being
raised from center-side end portions of the deck floors on both sides in the width
direction so as to form an engine room that contains the engine, the deck covering
the hull from above and constituting an upper portion of the body; a straddle-type
seat mounted over an upper end of the raised portion of the deck for a rider to
straddle with feet put on the deck floors on both sides; and a rear cowling mounted
behind the seat and extending rearwardly from a rear end of the seat.