The Post says Lee was 'a college girl from Ohio' at the time, and that after she graduated, she moved into Joel's Hamptons home in Oyster Bay.
The two got married in 2004, after a year of dating. Joel's daughter Alexa, who is just four years younger than Lee, served as her maid of honor.
Brinkley sported a T-shirt promoting musician John Mellencamp, whom she's been dating since September.
The 35-year-old chef, television host, and Hamptons magazine columnist originally bought the home for .55million in 2011 - two years after she divorced the Piano Man, 68.
According to the listing, from Nancy Mizrahi of Saunders Real Estate, the 6,325-square-foot home is set on just under two acres and includes seven bedrooms and seven-and-a-half bathrooms.
In May, Joel's second wife Christie Brinkley put her Hamptons home of nearly two decades - named Tower Hill - on the market for a cool .5million.
It was an understandable concern - it is 20 years since Joel’s last pop record, and 11 since he headlined in his native Long Island – but unnecessary: the show, a warm-up for his imminent, sold-out British tour, was ecstatically received.
She's already toured a $4.2million home in Sag Harbour that has the dock she's looking for, but is much smaller at just 2,500-square-feet, three bedrooms and two-and-a-half baths.