National Register of Historic Places

Field, Marshall, III, Estate

Lloyd Harbor, Suffolk County, New York
Listed
April 29, 1979
Type
Building
Period
Industrial
Ref No.
79001633

About this property

Caumsett State Historic Park Preserve is a state park on Lloyd Neck, a peninsula extending into the Long Island Sound, in the Village of Lloyd Harbor, New York, United States. It is operated by the New York State Office of Parks, Recreation and Historic Preservation. The 1,680-acre (6.8 km2) park covers the former Marshall Field III estate, developed in the 1920s and was listed on the National Register of Historic Places in 1979. Most of the grounds of the former Seminary of the Immaculate Conception were acquired in 2026. Much of the park is managed as a nature preserve to protect high-quality bird habitats.

Location

Lloyd Harbor, Suffolk County, New York
40.93281, -73.47735

Categories

AGRICULTUREARCHITECTURE
National Register nomination ›
Sources

Property data from the National Register of Historic Places, National Park Service (public domain).

Description adapted from Wikipedia under the Creative Commons Attribution-ShareAlike 4.0 International License.

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Overview
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The Land
The historic sites and place names around the location, and how this land was settled and used.
Geology
The bedrock beneath the site, its age and rock type, reaching back millions of years.
LiDAR Terrain
Laser-scanned terrain that reveals earthworks and old features hidden in the landscape.
Conflict & War
The battles, raids and skirmishes fought near here, across every era of American conflict.
The Civil War
The Civil War on this ground, 1861 to 1865: who held it, and the battles, camps and regiments nearby.
The Soldiers
The men who marched from here in the Civil War, named and traced where the record allows.
Native Heritage
The Native nations who held this land, mapped across time from before European contact to today.
Settlement
Who claimed and held this ground, from Indigenous homelands through the colonial powers to the United States.
The Community
How the town grew, who came, and what kind of place it became, traced through the census record.
Rivers & Rail
The rivers, canals and railroads that connected this place between 1830 and 1911.
Notable People
The people born, buried or genuinely tied to this exact place, with their stories.
Historical Maps
Historic maps of the location layered over how it looks today.
Finds & Access
Museum objects tied to the area, and the laws on searching, collecting and access here.
Literature
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Spotlight
A deep dive into the most remarkable, lesser-known history of the place, traced back to the record.
Points of Interest
The most significant historic sites and landmarks near the location, and why they matter.
Timeline
The whole story of the location told era by era, from first peoples to the present day.
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Nearby Historic Sites

Fort Hill Estate
Early Republic
1.1 mi
Lloyd, Joseph, House
Industrial
1.3 mi
Townsend, Henry, House
Industrial
2.2 mi
Seawanhaka Corinthian Yacht Club
Industrial
2.8 mi
Karpen House
Modern
2.8 mi

Nearby Battles

Raid on Fort Slongo (Fort Salonga)
1781Revolutionary War
4.9 mi

Questions about this property

When was Field, Marshall, III, Estate listed on the National Register?

Field, Marshall, III, Estate was listed on the National Register of Historic Places on April 29, 1979.

What type of historic resource is Field, Marshall, III, Estate?

Field, Marshall, III, Estate is classified as a building in the National Register of Historic Places.

What is the period of significance for Field, Marshall, III, Estate?

The period of significance for Field, Marshall, III, Estate is recorded as the industrial era.

Can I research the history near Field, Marshall, III, Estate?

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