The OPP say there were a few accidents in the Kenora area over the Labor Day long weekend.
On Saturday morning, the marine unit was called out to a collision between two boats in the area of Northern Harbor.
The OPP say a 16 foot boat coming out of the harbor ran into a 19 foot vessel that was trolling in the area.
Police say one person, who wasn't wearing a life jacket at the time, end up falling into the lake.
Fortunately they were able to get back into the boat.
A Manitoba resident has been charged with careless operation of a motor vessel.