Missing man Dean Richard Chevron has been found dead after falling from a houseboat in Mandurah on Tuesday.
The death is being treated as non-suspicious and a report will be prepared for the coroner.
Police are seeking urgent public assistance regarding the whereabouts of 50-year-old man, Dean Richard Chevron.
Mr Chevron was last seen earlier in Mandurah on Tuesday, on a house boat travelling from Pelicans Café to the Old Mandurah Bridge.
It is believed he may have gone overboard and concerns are now held for his welfare.
He is described as being a good swimmer and may have made it ashore.
He was last seen wearing blue jeans, a camo jumper and white sneakers.
Anyone who sees Mr Chevron is asked to contact police immediately on 131 444.