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Wychwood is situated on the second highest elevation on Long Island, with sweeping views overlooking Oyster Bay Harbor, Cove Neck, Centre Island and Lloyd Harbor. It is located on approximately 13 acres in the incorporated Village of Mill Neck. Designed by Henry Corse, the mansion was completed in 1937 and was one of the last great estates constructed during the Gilded Era. The whitewashed brick English Tudor manor house is crowned by a hand-carved slate roof and leaded glass steel casement windows throughout. The main house features nine bedrooms and 11 full bathrooms, all with finishes reminiscent of an English country farmhouse. In addition to the main house, there are extensive landscaped gardens and terraces, a heated gunite pool with poolhouse and a carriage house with staff quarters. Wychwood affords the opportunity for entertaining on a grand scale, as well as the lifestyle of a private retreat. Previous owners include Alfred Gwynne Vanderbilt and Cornelius Vanderbilt Whitney., Additional information: Appearance:Diamond

Property Details of 297 Mill Hill Road

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Listed by Maryellen Cashman of Compass Greater NY LLC,

Listing Sold by DPR Realty Robert P. D Angelo

Listings courtesy of OneKey® MLS as distributed by MLS GRID. Based on information submitted to the MLS GRID as of June 3, 2026 1:51 PM EDT. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. IDX information is provided exclusively for consumers’ personal noncommercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The data is deemed reliable but is not guaranteed by MLS GRID. The use of the MLS GRID Data may be subject to an end user license agreement.

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