RedactedNarrative: The Operator on Vessel #1( open motorboat) was traveling northbound on Candlewood Lake at 20 to 25 mph on plane in the direction of Vessel #2's (open motorboat)stern. Vessel #2's engine was off sitting adrift as they were changing water skiers. Occupants of Vessel #2 saw Vessel #1 coming towards them from approximately 200 yards away and attempted to alert the oncoming vessel by shouting and moving their arms. Two of the three occupants of Vessel #2 jumped in the water prior to impact without pfds. The Operator of Vessel #2 dove from the driver seat to the floor of the vessel to avoid being struck by Vessel #1. Vessel #1 's bow made first contact with Vessel #2's stern and ramped up and traveled over the length of Vessel #2 with its hull fully exposed from the water. Vessel #1 landed back in the water off the bow of Vessel #2 and continued traveling in a northbound direction due to it still being under power.  Vessel #1 made a large circle  after the collision  before returning back to the area once the Operator of Vessel #1 realized what had happened. The two occupants that jumped out of Vessel #2 into the water climbed back onboard. Enforcement Action taken against Operator of Vessel #1- Reckless Boating 2nd and violation of rules preventing collisions. One injured. Vessel # 2 was a total loss.