Due to his legendary status, Marley's death hasn't gone without conspiracy theories. Some call his death an assassination by the CIA who allegedly felt that his songs were radical preaching, High Times reported. At Cedars of Lebanon Hospital in Miami, Marley passed at the age of 36 on May 11th, 1981, the New York Daily News obituary said. It had been years of him being diagnosed with cancer throughout his body, Rolling Stone reported.