Personal watercraft

A personal watercraft propelled by an engine, comprising:

• a body;
• a hull constituting a lower portion of the body;
• a deck having deck floors formed on both side portions 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 a width direction so as to form an engine room inside thereof that contains the engine, the deck covering the hull from above and forming 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;
• a rear attachment mounted behind the seat and having a hand grip held by a passenger straddling a passenger seat;
• a gap formed between a mounting portion of the rear attachment to the deck and an outer face of the raised portion of the deck to communicate with ambient air outside the watercraft;
• and
• an air-intake chamber provided inside the rear attachment and continuously with the gap at a position away from the ambient side so as to have a bottom and communicate with the engine room.