The body of the 6ft man washed up on the shore between Slade Bay and Green Meadow Leisure Park on Gower on 16 December 2023.
A spokesperson for South Wales Police said: “On December 16 2023, we received a report of man’s body having been washed up in the shore in the Gower area of Swansea, between Slade Bay and Green Meadow Leisure Park. Since that time, officers have been unable to identify him.
“The man had a black leather belt on and a pair of black socks and size 9 Magnum walking boots. There are no other distinguishing marks to assist Police with the identification of this man.
“South Wales Police has worked with other forces within and outside of the UK and to date there has been no matches on the DNA obtained from the body. The body has been described as a white man, 6ft in height and with a shoulder width of 20 inches.
“We are appealing for any new information in relation to the identity of this man. If you have any information, please contact South Wales Police on 101 and quote reference number 2300426894.”