A number of embodiments of watercraft having generally opened passenger's areas that are closed on their sides by an upstanding wall and which incorporates a pivoted control mast that has a portion carrying one or more watercraft propulsion unit controls for operation of the watercraft by either a standing or seated rider within the rider's area. Various types of seating arrangements are disclosed and in some embodiments, the seats are foldable between a lowered, horizontal position and a position wherein a seatback is provided. Alternate cover arrangements are also provided for covering the control mast when in its lowered position.