RedactedNarrative: Vessel one was traveling northeast in alligator bay and entering the elkcam waterway marked channel. As the operator of vessel one entered the channel his visibility was obstructed by one of the passengers seated in front of the center console. Vessel one's starboard bow collided with red channel marker 2a. Neither the operator nor the passengers were injured. All subjects on the vessel observed the marker still standing after the collision. Two days later marker 2a was found knocked down and floating alongside the elkcam water way.