Oprah's former penthouse on an exclusive private island in Florida just sold for $20 million. Look inside the 4-bedroom condo in America's richest ZIP code.

The beloved media personality and author owned the condo from 1995 to 2000, when she sold it to the former chairman of Campbell's Soup for $6.5 million, per Mansion Global.

Winfrey — who's worth $2.6 billion, according to Forbes — has owned real estate all over the world, including in Hawaii, Colorado, and California.

Residents of Fisher Island, a 216-acre manmade island in Miami's Biscayne Bay, have an average income of $2.2 million, making it the country's richest ZIP code, according to a Bloomberg report.

To live on the exclusive island, you must first become a member of the elite Fisher Island Club by paying a one-time $250,000 equity contribution and $22,256 in annual dues. And that doesn't include buying one of the condos on the island, which cost about $3 million on average. About 700 families live on Fisher Island in almost 30 luxury condominium buildings.

Stroll, who serves as the executive chairman of Aston Martin Lagonda, the luxury sports car manufacturer, has a net worth of $2.6 billion, according to Forbes.

The 61-year-old Canadian billionaire bought the Fisher Island property for $13.5 million in February 2014, according to Mansion Global. After first putting it on the market in January 2019, Stroll sold his penthouse on November 30, 2020.

He did not immediately respond to Insider's request for comment on the transaction.

The residence was gut renovated and redesigned by Spanish designer Chahan Minassian.

Source: Luxe Living Realty

Also attached to the suite are an office and a gym, which can be converted into the condo's fourth bedroom, according to the listing.

The Villa Del Mare condominium's amenities include swimming pools, a spa, and a complimentary bus service. The penthouse also comes with parking spaces for two cars and two golf carts, which happen to be the preferred mode of transportation on Fisher Island.

As well as that, members of the Fisher Island Club get access to a beach club, multiple restaurants, a golf course, deep-water marinas to dock their yachts, and last but not least, private beaches with sand imported from the Bahamas.

• Read more:
• Oprah Winfrey is worth nearly $3 billion — here's what she spends her money on, including property in Maui, a private jet, and a stake in Weight Watchers
• The richest ZIP code in the US is turning 100. Here's an inside look at the private island off Miami, where the average income is $2.2 million and sand on the beaches is imported from the Bahamas.
• 11 of the most expensive celebrity homes sold in 2020, so far
• Pierce Brosnan is selling his $100 million Malibu mansion inspired by one of his James Bond movies. Take a look inside.