Michael Phelps | Est. $80 million

The 23-time Olympic gold medalist Michael Phelps has wowed the world countless times. The renowned swimmer was applauded and awarded as the fastest swimmer in the world during his time. He was also idolized by many aspiring athletes and considered an inspiration to the youth. Not only that, but he was also loved for his charm and appearance. He is one of the richest athletes with thanks to the remarkable skill he has displayed in his chosen sport.

Aside from wealth, he has also won many Olympic titles. Since then, he has gained a net worth of $80 million—allowing him to retire in comfort. He retired from doing sports but got his hands into a new interest and passion. Phelps acquired investments in real estate, along with a Land Rover as a treat for himself. On top of this, he also has a philanthropic streak and is a recognized advocate for mental illness awareness.