RedactedNarrative: SINGLE VESSEL CRASH WITH SUBMERGED OBJECT. NO HUMAN INJURIES.
  The vessel owner stated that he was northbound on the North Fork Saint Lucie River in the vicinity of channel marker 33. He stated his speed was approximately 10 to 15 miles per hour. He stated that he collided with a submerged tree that was below the surface of the water and not visible.
  He stated that he was in the channel at the time of the collision with the submerged tree. According to him, there were no other vessels present at the time of the collision.  He was able to operate his vessel and return to his residence and put it on the boat lift behind his residence. The vessel remains on the lift behind his residence.