High Quality Content by WIKIPEDIA articles! Jimmy Buffett`s Margaritaville is the name of a United States-based casual dining American restaurant chain and a chain of stores selling Jimmy Buffett-themed merchandise. It is owned by Buffett`s Margaritaville Holdings LLC and named after his hit song "Margaritaville." There are locations in tourist destinations in the United States, Canada, and Mexico as well and six island locations throughout the Caribbean.