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9 (TIE). Like something straight out of "The Great Gatsby," this magnificent estate in Great Neck, Long Island, boasts 13 bedrooms, 35 bathrooms, indoor and outdoor pools, health complexes, game rooms, a bowling alley, and an electronic casino.

Price: $85 million

Private gardens lead to a pier for a private yacht, and the iconic New York City skyline is visible from the extensive waterfront. The estate was previously owned by Tamir Sapir, a former Soviet émigré who made his fortune in New York real estate. He died in 2014.

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