https://therealdeal.com/new-york/2019/04/29/one-of-long-islands-last-gatsby-era-mansions-is-hitting-the-market/
Lands End Manor is hitting the market for the first time in more than for decades. But the price is "upon request."
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https://www.untappedcities.com/long-island-gold-coast-mansions-repurposed-an-inside-look-at-sefton-manor/
Sefton Manor on Long Island was built in 1923, and today it houses the Mill Neck Manor School for the Deaf.
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