RedactedNarrative: Operator of vessel #1 was cruising when his engine stopped.  He re-started it and went 200 yards and it stopped again.  It re-started on its own and the operator could see smoke coming from the engine area.  He got his children off safely and attempted to extinguish the fire without success.  He got off the vessel and the fire was put out by the fire boat.  No injuries were reported.