Supermodel Christie Brinkley has put her second Hamptons property on the market. She just listed a 4.5-acre beachfront property with a historic home in North Haven for $25 million.

The property has a five-bedroom, 5.5 bathroom, three-story Colonial built in 1843, with details that include grand columns, wide-plank pine floors and multiple fireplaces. The master suite comes with its own sitting room and terrace. There is a gunite pool on Sag Harbor Bay, with 327 feet of sandy beach and views across to Shelter Island.

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Brinkley put her 20-acre Bridgehampton estate, Tower Hill, on the market for $30 million in June. It is now asking $29.5 million. On and off the market since 2002, the property includes a four-bedroom, five-bathroom house built around a 100-year-old, 50-foot observation tower.

“What we’re trying to do is see which one the market will respond to,” says Enzo Morabito of Douglas Elliman Real Estate, who is listing both properties.

Brinkley, 62, who has three children, including a 30-year-old daughter, Alexa, with ex-husband, Billy Joel, is looking to downsize, Morabito says.

Morabito says when they were first trying to decide which property to list, he told Brinkley not to sell the North Haven one.

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“I think it’s the most magnificent piece of property currently on the market if you’re looking for waterfront,” Morabito says. “This is irreplaceable.”