The 40-year-old has been missing since April 15th.
Land owners are being asked to check their property for signs of a missing man.
Gardaí are renewing their appeal for assistance in locating John Coakley, who has been missing from his home in Carlow Town since April 15th.
The 40-year-old is being described as being approximately 6 foot 1 inches in height with a slim build, black hair and green eyes.
Gardaí are specifically searching these areas:
• Banks of River Burrin, from mouth of River Burrin into River Barrow in Carlow town to Ballinacarrig Bridge on the Wexford Road.
• Banks of River Barrow - travelling north from Carlow town Park to Lanigans Lock
• Railway Line – Carlow Railway Station to Blackbog Road Level Crossing, circa 3km, north east
They're asking people with buildings, out houses or vacant dwellings, in these areas to check them to see if they have been used or might assist Gardaí in locating John.
Gardaí and John’s family are concerned for his welfare.
Anyone with any information on his whereabouts is asked to contact Carlow Garda Station on 059 913 6620, the Garda Confidential Line on 1800 666 111, or any Garda Station.