UPDATED 3.21pm: A man in his sixties has died at Mt Maunganui after being reported missing in the water about 11:30am. 

St John confirmed two vehicles attended an emergency incident before noon where a person was given treatment but died at the scene.

19/11/16: Water incident in Mt Maunganui. 1 patient. No transport. https://t.co/APqjvOMy3u

— St John (@StJohnAlerts) November 18, 2016

The annual Sand to Surf swim took place at Mt Maunganui's Main Beach this morning.

Mt Maunganui’s lifeguard service directed enquiries to the police – who said a swimmer was reported missing earlier in the day.

“We had a report of a missing swimmer at around 11:25 this morning. Officers arrived and the swimmer had been found on the beach with paramedics. He subsequently died,” a police spokeswoman said.

“That’s a matter for the coroner and the cause of his death is being investigated.”