Sagtikos Manor is a historic home located in West Bay Shore, Suffolk County, New York.

Also on the property is a carriage house, caretaker's cottage, buttery, potting shed, formal gardens, and Thompson-Gardiner family cemetery.

The manor functioned for a time during the American Revolution as local headquarters for British forces under General Sir Henry Clinton.

[4] In 1790, George Washington recorded in his diary an overnight stop at "Squire Thompson's" during his tour of Long Island.

[6] In 2012 the Historical Society sued the Robert David Lion Gardiner Foundation.