RedactedNarrative: Operator of Vessel A was towing two young girls on a tube when he hit his own wake with the side the boat causing it to flip over. There were two other adults onboard at the time. There were no life jackets on the boat, however, operator A advised that he did have three Type IV seat cushions. The two girls being towed on the tube were wearing Coast Guard approved life jackets. The three occupants on vessel A were quickly picked up by two other boats that were nearby and taken to shore. Vessel A was towed to the boat landing and loaded onto a trailer provided by a local marina who will be doing the repairs to the motor. there was no damage to the boat itself and no one sustained any injuries. The operator was cited for operating an unregistered motorboat and issued a warning for not having the proper PFD's onboard Vessel A.