RedactedNarrative: The pontoon boat was onward North bound of the Charles Mill Marina.  The vessel was traveling at a low speed or possibly stopped when occupant 6 put on his PFD and jumped off the boat.  When occupant encountered the water his PFD slipped off because it was not fastened correctly. Occupant struggled to stay afloat. The operator of the boat began to circle the area to try to locate occupant number 6. Occupant number 4 jumped into the water in attempt to rescue occupant number 6 but was unable to keep occupant number 6 and herself above water.  Number 4 had to terminate her rescue attempt to save herself.  Occupant number 4 returned to the boat and re-boarded it. The operator of the boat continued to circle the area but was unable to locate occupant number 6. 
  The seating of the occupants 2,3,4,5,6 and 7 were undetermined, the occupants would not disclose location of their positions.
  