(V2) Boat owner and operator  OP2 was leaving the bars / restaurants of Manatee Pocket, heading East towards the St. Lucie Inlet.  The second boat was heading West towards Manatee Pocket, with the operator (V1) saw (V2) coming towards them, (V2) veered the boat at them. (V1) veered left to avoid the collision, only to have (V2) veer back towards them, making both boats collide.  This collison caused one person on V1 to be injured and brought to Martin South for back and neck pain.  
When I arrived on scene, Martin County Sheriff's Office Deputies had the two parties separated that were involved in the boating accident.  As I made my way down the dock and approached Deputies, they briefed me on their knowledge of the incident.  At this time I started my boating accident investigation.
I approached vessel two (V2),  and encountered the owner / operator, 2004 Aquasport. Officer spoke with vessel one (V1), operator 2022 Cobia.  While speaking to OP2 regarding what had occurred he kept letting us know that he was a local and that the other vessel did not know how to drive a boat, because it was a rental.  He said he was heading East towards the mouth of Manatee Pocket as (V1) was coming West into the Manatee Pocket. He then went to pass (V1) a collision occurred.  OP2 told us that he did not have anything to drink the whole night, but as OP2 was speaking I could smell the odor of an alcohol beverage emanating from his person, his eyes were glassed over with pinpoint pupils.  FWC Officer and I asked if OP2 would participate in field sobriety tasks.  OP2 agreed and I administered the tasks. 
See Arrest Report and body worn camera video. 
(V1) operator stated he was traveling West in the "channel", as V2 was coming East towards V1.  V2 continued traveliing east and turned towards V1 Port Side, crossing the path of their travel.  V1 slowed down and turned towards his Port Side, V2 turned towards its starboard side.  V1 again slowed down and made a turn to its Starboard, while V2 turned towards its Port Side.  V1 made one last turned towards hits Port Side to avoid the collision, at the same time V2 turned to its Starboard Side making the two vessel collide near Day Marker #5 ICW / Mouth of Manatee Pocket (see attached video of crash). ; Victim 1 had back and neck pain.  She was transported to Martin South
ICW
STUART                        