A British couple visiting Australia have died after being pulled from the water at a beach south of Sydney, despite determined rescue attempts by members of the public and emergency crews.

The sixty-six-year-old man and sixty-four-year-old woman were swimming at Shellharbour Beach in New South Wales when they ran into difficulty shortly after eleven in the morning.

Witnesses reported seeing the pair struggling in the water before nearby beachgoers rushed to help.

Several bystanders entered the water and pulled the couple back to shore.

Among those who responded were two off-duty nurses and another beachgoer who immediately began cardiopulmonary resuscitation as others called emergency services.

Paramedics arrived soon after and continued intensive resuscitation efforts, but the man and woman could not be revived and were pronounced dead at the scene.

Authorities confirmed the couple were visitors from the United Kingdom who had travelled to Australia to spend time with family.

Relatives were reportedly present on the beach during the incident, watching as rescuers and emergency personnel worked to save them.

Police praised the swift response of those who tried to assist, noting that their actions gave the couple the best possible chance of survival in extremely difficult circumstances.

Witnesses described the scene as urgent but coordinated, with people quickly stepping forward to help once it became clear the swimmers were in distress.

Emergency responders, including ambulance crews and other services, remained at the beach for some time after the incident.

The beach where the tragedy occurred was not patrolled by lifeguards at the time, a factor authorities say can increase risk for swimmers unfamiliar with local ocean conditions.

Officials have reminded visitors and residents alike to swim at patrolled beaches and remain between the designated safety flags, which provide the best protection against strong currents and changing surf conditions.

A report is being prepared for the coroner as part of the formal investigation into the deaths.