RedactedNarrative: vessel collided with fixed object (channel marker), one person onboard, person was ejected from vessel at impact.  Minor leg injuries.
  
  At approximately 0715 on March 5th 2016, FWC dispatch asked me to responded to an unmanned vessel doing circles ocean side of Port Largo (mm100).  While in rout to the incident, I had been in touch with USCG Islamorada and they advised me they were with the vessel (FL8197PE), the captain, and that everyone was accounted for and there were no serious injuries.
  
  Owner operator was outbound South Sound Creek (John Pennekamp Coral Reef State Park) at approximately 0700 on his 29' twin engine World Cat when he struck channel marker #7.  he was trying to fasten the kill switch to his belt, and in the few seconds it took to look down to secure the clip, he had drifted to far over to the green side of the channel and was too close to maneuver around the #7 marker.