The body of a man was found on Ladies Mile beach, near Limassol on Friday morning.
First reports said the elderly man was found unconscious on the beach and was immediately taken to hospital where he was declared dead on arrival.
A woman who was at the beach at the time said she saw the man swimming in the sea and then lying down on the beach. When she approached, she realised that he had lost consciousness, and called the police.
Republic of Cyprus and SBA police are investigating. A post-mortem will determine the cause of death.