Jimmy Buffett's net worth was approximately $1 billion at the time of his death in 2023. His wealth came from his music career, including touring and recordings, as well as his extensive business ventures under the Margaritaville brand, which includes restaurants, hotels, merchandise, and other lifestyle ventures. Notably, he had about a $180 million stake in Margaritaville Holdings LLC, and his assets included music royalties, properties, planes, and investments.