Singer-songwriter Jimmy Buffett has passed away at the age of 76. The cause of death has not been revealed, but a statement on his website said he died surrounded by loved ones. Buffett had been hospitalized earlier this year in May, but had promised his fans he would return to performing once he was healthy. Known for his beach-themed songs, such as "Margaritaville," Buffett's music created an escape for his fans. He also expanded his brand to include hotels, casinos, and restaurants. Funeral details have not been announced.