A Sands Point mansion that was once listed for $38 million is being auctioned off.

The 15,000-square-foot home, which was built in 2016, sits on 3.8 acres of land on the eastern shore of Sands Point, facing Hempstead Bay.

According to Elite Auction, the mansion has 21 rooms, eight bedrooms, 13 bathrooms, eight fireplaces, two kitchens and a five-car garage with more than 1,300 square feet of space.

Additional features include a rooftop deck, a billiard room, an indoor pool, an indoor golf simulator and a theater.

Outside is another kitchen, a golf green a private beach and a quarter mile track for walking and jogging.

The auction is being conducted by Elite Auction, alongside Shawn Elliott of Nest Seekers International. There is no reserve price.

Elliott told Newsday that there was a lot of interest in the property and he expects it to be purchased quickly.

“If you have enough people interested, who truly love the home and want to buy it, at the end of the day you can truly receive market value,” he said.

Offers are now being accepted and private tours of the property are available. The sale must close within 30 days.