RedactedNarrative: Victim was anchored on Lake Michigan with his vessel.  He decided to go below to lay down because he was not feeling well.  He was found a short time later by his fiancé on the bathroom floor not breathing after he went to lay down.  She tried to help remove the victim from the bathroom to start CPR but passed out.  Another person on board also tried to help pull the victim from the bathroom and passed out as well.  When the fiancé came to,  another person on board had pulled him out of the bathroom and started CPR until help arrived.  Victim was pronounced deceased by the coroner by means of carbon monoxide poisoning with a lethal level of 60 in his body. Law officials on scene discovered that the exhaust was coming from the generator which was running and they shut it off. The running generator was found to be the source of the carbon monoxide.;