RedactedNarrative: The watercraft, with four occupants, went out to net fish. They were only out about 20 minutes and decided to turn around and go back to shore because the water was getting "choppy." The passenger seated at the front of the boat said they were about 200 yards off shore when two waves came over the boat, causing the front to dip, sending that passenger into the water. The operator handed him his life vest and he swam toward shore. The passenger seated at the back of the boat said the operator went into the water right after the first passenger went in. He and the passenger seated next to the operator stayed with the boat. The passenger seated next to the operator was wearing a self-inflating vest. He said they all went into the water about the same time. He and the passenger seated at the back were able to climb back into the boat. He said his vest deployed as soon as he climbed out of the water. Officers got the two passengers, who were with the boat, back to shore and to an ambulance. Some fishermen in another boat found and brought the first passenger that went into the water back to shore and the three were taken to the hospital. The same fishermen went back out, found the missing fourth occupant (the operator) and brought him to shore. Lifesaving measures were started. He was transported to the hospital, where after lifesaving measures and rewarming, he was pronounced dead. When retrieving the boat, officers found a throwable device floating in the boat and another wearable PFD in the water about 50 yards from the boat. There was no damage to the boat. Alcohol was not a factor.