RedactedNarrative: Vessel #1 operator stated that he was doing donuts and another jet ski ran into the side of his jet ski.  The front of vessel #1 was heavily damaged.  The operator of vessel #2 stated that she was cruising along when another jet ski ran into her starboard side knocking her and her 16 year old passenger into the water.  They were able to climb back onto the vessel and return to their destination.  No injuries were reported on any of the riders.  All were wearing life jackets.