RedactedNarrative: On 5-28-16 at approximately 1630 hours, Vessel One, a 2005 Bombardier PWC, occupied by a male operator and a male passenger, left the Arizona shoreline and began to head east, contrary to navigational rules, at a high rate of speed.  Vessel Two, a 1987 Carrea, occupied by a male operator and a female passenger, was traveling westbound near Spectator Point.   Vessel One then Struck Vessel Two's starboard side.  Both occupants were ejected from Vessel One.  All subjects refused medical treatment.  The operator of Vessel One was placed under arrest for OUI.