RedactedNarrative: Based on the observations and statements made on March 18, 2014; the above vessel was taking on fuel at Sailfish Marina. The vessel took on approximately 40 gallons. The owner/operator stated that he ran his ventilation system for approximately five minutes prior to attempting to start his vessel. Operator stated that he started the first engine and the vessel started fine. Operator then started the second engine. He states after the engine started a few seconds later explosions were heard. Sailfish Marina dock attendants attempted to put out the vessel fire with the large dock mounted fire extinguisher with negative results. After being unsuccessful with containing the fire the attendant then radioed via VHF channel 16 for commercial assistance. Tow Boat US  was near the marina and saw the events take place. With the help of Marina Employees, tow boat towed the vessel to Sandsprit Park. Martin County Fire Rescue responded and extinguished the fire. 
  
  Due to the extensive damage from the fire it is unknown if any mechanical parts failed or what actually caused the fire. 
  
  The vessel damage is estimated at $4,000. No injuries were observed or reported on scene.