"Jimmy passed away peacefully on the night of September 1st surrounded by his family, friends, music and dogs. He lived his life like a song till the very last breath and will be missed beyond measure by so many," the post read.
CNN's obituary traces a long and successful life in the music business, amassing an enduring fandom of "parrotheads" around a single top 10 hit.
Later in his career, he parlayed his enduring popularity into bestselling books, a Broadway musical and a string of casual restaurants, resorts and other ventures. Buffett, who was inducted into the Nashville Songwriters Hall of Fame in 2006, won two Country Music Association awards during his career and was twice nominated for Grammy Awards. Before his death, Buffett was preparing to release a new record, with songs previewed weekly on Radio Margaritaville, according to his website.