A jet boat including a hull including a keel extending in a fore and aft direction of the jet boat, at least one jet propulsion nozzle mounted to a rear of the hull, and an articulating keel attached at the rear of the hull, the articulating keel arranged to pivot about a pivot axis extending vertically or substantially vertically. A bottom surface of the articulating keel does not extend below a bottom surface of the keel when the articulating keel is parallel or substantially parallel to the fore and aft direction of the jet boat.