RedactedNarrative: Both v1 and v2 were properly docked at the above listed location. Witness 1 stated that approximately 0510 he observed v1 on fire while he was doing his rounds. Witness 1 further stated he started to scream " fire, fire" and called 911. Witness 2 stated he heard witness 1 screaming and came out from his boat. Both witness 1 and 2 stated they grabbed a water hose located at the dock and started to spray the boat on fire until fire rescue got to the scene. No injuries were reported. Note: fire engines #2 and #28, fire rescue #8 and fire boat #1 responded to the scene and extinguished the fire without any injuries. Alarm #15086190