A sprawling 47-acre estate in Long Island, New York, dubbed Sassafras, listed last week for $55 million.
The estate is owned by the limited liability company Laval Properties Corp N V, which is registered to an Upper East Side, Manhattan, address, according to property records. Listing records show that the property last changed hands in 2002 for $765,500, so its asking price would mean a more than 7,000% profit for the mystery sellers.
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While the property was up for sale in 2006 for $60 million, it was taken off the market two years later.
Built in 1987, the Tudor-style spread in the town of Lloyd Harbor, which abuts the Long Island Sound, has a sizable list of amenities to match its sizable price tag. The 20,000-square-foot main house has 25 rooms, eight bedrooms, high ceilings, multiple terraces, wood paneling and ornate fireplaces.
The finished basement contains a spa, a barbershop and, rather more unexpectedly, a fallout shelter, according to the listing with Philip Laffey of Laffey Real Estate. He did not respond to requests for comment.
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There is also a dock, a private beach, extensive gardens and a tennis court. Plus, previous reports from 2006 mention more lavish perks, like two helipads.
There are also two 5,500-square-foot guesthouses on the estate.
The area, on the North Shore of Long Island, is about 40 miles from New York City.
Realtor.com contributed to this story.