A paddleboarder was mysteriously murdered in a small Maine town — and authorities are urging calm as the killer remains unknown.

Maine authorities investigate paddleboarder Sunshine Stewart's murder near Crawford Pond, urging calm amid community fears of a possible serial killer in the region.

A Maine woman who went missing after going paddleboarding on July 2 was murdered, police said. Sunshine Stewart, 48, was reported missing after going paddleboarding on Crawford Pond in Union, which is about 25 miles east of Augusta, on July 2, Maine State Police said. Officials found her dead the following day.

The woman, who hailed from Tenants Harbor, had been reported missing on July 3 at approximately 1:05 a.m. She was later found dead, and authorities ruled it a homicide after an autopsy was performed by the Office of the Chief Medical Examiner in Augusta. The cause of death has not been released.

Sunshine "Sunny" Stewart, 48, of Tenants Harbor, was found dead on Crawford Pond after she had gone out paddleboarding last Wednesday night.

Maine State Police have not arrested anyone in the murder of paddleboarder Sunshine Stewart. The 48-year-old woman's cause of death remains a mystery.

Mysterious discovery of missing paddleboarder’s body prompts murder probe in small Maine community - Police urge Union residents to remain vigilant after an autopsy ruled that Sunshine Stewart was mur

Authorities have identified two men who were found dead at a home in Maine earlier this week as a juvenile boy is charged with murder.

Community seeks answers after Sunshine Stewart's body was discovered in Crawford Pond, with authorities investigating the homicide while locals express growing safety concerns.