Landmarks & buildings
Sylvester Manor
Historic estate in Shelter Island, New York state, USA
Wikipedia names Sylvester Manor as where 1 film or series was filmed; its page links to the sentence that says so. Wikidata records no shoot here yet.

Filmed here, per Wikipedia
Wikipedia says these were filmed in Sylvester Manor. Each title’s page links to the sentence that says so.
Filming locations nearby
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Towns & cities
Shelter Island
United States · under 1 km
Town of New York, USA
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Towns & cities
Greenport
United States · 3 km north-west
Village in Suffolk County, New York, United States
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Towns & cities
Southold
United States · 7 km west
Town in New York
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Towns & cities
Sag Harbor
United States · 10 km south-east
Village in Suffolk County, New York, United States of America
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Landscapes & nature
Gardiners Bay
United States · 11 km east
Bay in New York, United States of America
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Towns & cities
Wainscott
United States · 16 km south-east
Place in East Hampton in Suffolk County, New York