The drowning victim from the weekend has been identified as a tourist from the United Kingdom.
The 23-year-old got into trouble during an evening swim in the famous Mataranka thermal pools on Friday.
It was first believe the 23-year-old had been swimming at 8pm but police now say he was he was pulled unconscious from the water by friends around 6pm.
Police will now prepare a file for the coroner in relation to the drowning death of the international tourist.
CPR was administered on the man by an off-duty paramedic and nurse until clinic staff, police and paramedics arrived on scene. CareFlight attended but sadly the man had died.
The man's death is not being treated as suspicious.
There have been a string of drownings in the NT's famous waterholes in recent years.
A 29-year-old Chinese woman drowned at Edith Falls in late August last year.
She had been swimming in the upper pools of the falls.
A man drowned in a Kakadu waterhole in September.
A 31-year-old man drowned at Ellery Creek Big Hole, west of Alice Springs in January this year.
A six-year-old girl drowned at Motor Car Falls, one of Kakadu's larger falls, in March this year.
While you're with us, you can now receive updates straight to your inbox each Friday at 6am from the Katherine Times. To make sure you're up to date with all the news, sign up here