RedactedNarrative: Officer observed a thick plum of dark smoke coming from Pigeon Bay.  Upon arrival to Pigeon Bay we observed a Cobalt boat Wisconsin registration WS1157HB on fire in Pigeon
  Bay. A deck boat used for installing piers and lifts was able to push the Cobalt near the shore for the fire department to put it out.
  Upon contact with subject, he stated himself along with his wife and two daughters filled the boat with gas at the conference center in Pigeon Bay. They pulled out of the gas docks and were at idle speed (approximately 5mph) heading southbound for approximately 90 seconds when an explosion came from the stem starboard side. They observed smoke and flames coming from the area where the explosion occurred. They jumped off of the boat and were picked up by a boater nearby. I observed small bum holes in subject's shirt. The family stated they were not injured and did not require medical treatment.