Unit 1 being towed towards notheast out of Lizzies Creek, unit 1 had no navigation lights on. Unit 2 traveling north west into Lizzies creek unit 2 turned to avoid boat towing boat 1 operator of 2 stated he did not see unit 1 until it was too late because it had no lights on. The tow rope and several pictures were taken into evidence the two injured subjects were treated for cuts to the head and lip and released. The vessel towing vessel 1 was a 2006 Bentley 24 ft Pontoon Boat, SC3739BV, that belonged to the injured subject, the operator of the towing vessel and unit 2 wrote statements that are attached to this report.