Photograph credits

Where each photograph on the site came from and under what license it is published.

Antony-22, Wikimedia Commons, CC BY-SA 4.0 6

Archoboler, Wikimedia Commons, CC BY-SA 4.0 1

Bain News Service, publisher, Wikimedia Commons, Public domain 1

Bellbird190, Wikimedia Commons, CC BY-SA 4.0 2

  • Cedarmere, exteriorCedarmere, Historic house on Roslyn Harbor, New York 01
    Cedarmere
  • Cedarmere, exteriorCedarmere, Historic house on Roslyn Harbor, New York 02
    Cedarmere

BernardFurshpan, Wikimedia Commons, CC BY-SA 4.0 1

  • Welwyn, exterior, frontHMTC Front, March 2024
    Welwyn

Beyond My Ken, Wikimedia Commons, CC BY-SA 4.0 1

Bremer W. Pond, Wikimedia Commons, Public domain 1

  • Oheka Castle, historic view of house and formal garden (Commons gives 1915, which may be approximate)Kahn Estate, Oheka Castle (Library of Congress lantern slide)
    Oheka Castle

CaptJayRuffins, Wikimedia Commons, CC BY-SA 4.0 1

Christine from L.I., Wikimedia Commons, CC BY-SA 4.0 1

Ciru, Wikimedia Commons, CC BY-SA 4.0 1

DanTD, Wikimedia Commons, CC BY-SA 4.0 8

Daniel Winter, Wikimedia Commons, CC BY-SA 3.0 3

Distlej at English Wikipedia, Wikimedia Commons, Public domain 1

Dmadeo, Wikimedia Commons, CC BY-SA 3.0 1

Don Ramey Logan, Wikimedia Commons, CC BY-SA 3.0 1

Don Ramey Logan, Wikimedia Commons, CC BY-SA 4.0 1

Doug Kerr from Upstate New York, Wikimedia Commons, CC BY-SA 2.0 1

Etsfma, Wikimedia Commons, CC BY-SA 3.0 1

Ferree, Barr, 1862-1924, Wikimedia Commons, No restrictions 1

  • Harbor Hill, exterior, entrance frontRoslyn, New York. Harbor Hill, the house of Clarence H. Mackay. The entrance front (from American Estates and Gardens, 1904)
    Harbor Hill

Frances Benjamin Johnston, Wikimedia Commons, Public domain 2

  • Killenworth, exterior, cropped hand-colored lantern slideKillenworth, George Dupont Pratt house, view to house from swimming pool (cropped)
    Killenworth
  • Killenworth, sunken terrace gardenSunken terrace garden at Killenworth, 1918
    Killenworth

GK tramrunner229, Wikimedia Commons, CC BY-SA 3.0 2

  • Coe Hall, exterior, close view of wingCoeHall5579
    Coe Hall
  • Coe Hall, exterior, half-timbered sidePlantfield5608 (Coe Hall as seen from the other side)
    Coe Hall

Go4morgan, Wikimedia Commons, CC BY-SA 4.0 1

GoldCoastMansions.com archive 228

Gordonmallan, Wikimedia Commons, CC BY-SA 4.0 1

Gottscho, Samuel H., Wikimedia Commons, Public domain 4

  • Chelsea, exterior across lawnBenjamin Moore, residence in Syosset, Long Island (Gottscho-Schleisner Collection, Library of Congress)
    Chelsea
  • Welwyn, exteriorHarold I. Pratt, 'Welwyn', residence in Glen Cove, Long Island, New York (Gottscho-Schleisner Collection)
    Welwyn
  • Welwyn, exteriorHarold I. Pratt, 'Welwyn', residence in Glen Cove (Gottscho-Schleisner Collection)
    Welwyn
  • The Playhouse (Woodward estate), McCann residence (Sunken Orchard); which building is shown not confirmedCharles E.F. McCann, residence in Oyster Bay, Long Island, New York (Gottscho-Schleisner Collection)
    The Playhouse (Woodward estate)

Gottscho-Schleisner Collection, Wikimedia Commons, Public domain 6

  • Old Westbury Gardens, interior, entrance hall and stairJohn S. Phipps Manor House, residence, Old Westbury Gardens (Gottscho-Schleisner Collection, Library of Congress)
    Old Westbury Gardens
  • Clayton, exterior across lawnChilds Frick, residence in Roslyn, Long Island (Gottscho-Schleisner Collection, Library of Congress)
    Clayton
  • Clayton, exterior, distant view down the lawnChilds Frick, residence in Roslyn, Long Island (Gottscho-Schleisner Collection, Library of Congress)
    Clayton
  • Clayton, interior, libraryChilds Frick, residence in Roslyn, Long Island, New York (Gottscho-Schleisner Collection, Library of Congress)
    Clayton
  • The Playhouse (Woodward estate), McCann residence (Sunken Orchard); which building is shown not confirmedMrs. Charles E.F. McCann, residence in Oyster Bay, New York (Gottscho-Schleisner Collection)
    The Playhouse (Woodward estate)
  • The Whitney estate, successor house on the estate (C. V. Whitney residence), not the originalCornelius V. Whitney, residence in Old Westbury, Long Island, New York (gsc.5a15044)
    The Whitney estate

Gryffindor, Wikimedia Commons, CC BY-SA 3.0 2

Gyrofrog, Wikimedia Commons, Public domain 3

Harris & Ewing, photographer, Wikimedia Commons, Public domain 2

  • Beacon Towers, exterior, frontMrs. O.H.P. Belmont house [Beacon Towers, Sands Point, New York], front elevation
    Beacon Towers
  • Beacon Towers, exterior, northwestMrs. O.H.P. Belmont house [Beacon Towers], northwestern elevation
    Beacon Towers

Hayden Soloviev, Wikimedia Commons, CC BY 4.0 1

Hunt & Hunt, architect, Wikimedia Commons, Public domain 3

  • La Selva, architectural drawing, two elevationsHouse ("La Selva") for Henry Sanderson, Upper Brookville, Long Island, New York. Two elevations (LCCN2014647534)
    La Selva
  • La Selva, architectural drawing, elevationHouse ("La Selva") for Henry Sanderson, Upper Brookville, Long Island, New York. Elevation (LCCN2014647535)
    La Selva
  • La Selva, architectural drawing, elevationHouse ("La Selva") for Henry Sanderson, Upper Brookville, Long Island, New York. Elevation (LCCN2014647536)
    La Selva

Hunt & Hunt, architects; Belmont, Alva, 1853-1933, client, Wikimedia Commons, Public domain 1

  • Beacon Towers, architectural drawing, first floor planBeacon Towers, Sands Point, Long Island, New York. First floor plan
    Beacon Towers

Hunt, Richard Howland, Wikimedia Commons, Public domain 1

  • Idle Hour, architectural drawing of the rebuilt house, dated 1900 to 1901Country residence ("Idle Hour") for William K. Vanderbilt, Oakdale, Long Island, New York (LOC ppmsca.52116)
    Idle Hour

Hunt, Richard Morris, 1827-1895, architect, Wikimedia Commons, Public domain 1

  • Idle Hour, architectural drawing of the first houseCountry residence ("Idle Hour") for William K. and Alva Vanderbilt, Oakdale, Long Island, New York (LCCN2017650941)
    Idle Hour

Infrastorian, Wikimedia Commons, CC0 1

  • The Chimneys, 1950s synagogue wing, not the mansionThe Community Synagogue, Sands Point, NY August 8, 2026 A.jpg
    The Chimneys

Invertzoo, Wikimedia Commons, CC BY-SA 4.0 1

  • Welwyn, exteriorWelwyn mansion in Welwyn Preserve
    Welwyn

Irving Underhill (1872–1960), Wikimedia Commons, Public domain 1

  • Beacon Towers, exterior, Hearst eraWm. R. Hearst residence, Beacon Towers, Sands Point, Long Island, N.Y.
    Beacon Towers

Itasca, Wikimedia Commons, CC BY-SA 3.0 1

  • Eagle’s Nest, exterior across lawnWilliam K Vanderbilt II Estate Mansion and Museum 2014 01
    Eagle’s Nest

Jack Lewis, Wikimedia Commons, CC BY-SA 4.0 1

Jim Griffin, Wikimedia Commons, CC0 1

Jkingny, Wikimedia Commons, CC BY-SA 4.0 1

Joe Mabel, Wikimedia Commons, CC BY-SA 4.0 8

Johnston, Frances Benjamin, 1864-1952, lecturer, Wikimedia Commons, Public domain 1

Johnston, Frances Benjamin, 1864-1952, photographer, Wikimedia Commons, Public domain 4

  • Ormston House, garden fountain, glass lantern slide"Ormston," John Edward Aldred house, East Beach Drive, Glen Cove, New York. Fountain (LCCN2008680046)
    Ormston House
  • The Braes, terrace garden and ornamental pool"The Braes," Herbert Lee Pratt, Glen Cove, New York. Terrace Garden ornamental pool (LCCN2008680127)
    The Braes
  • Laurelton Hall, exterior, loggia"Laurelton Hall," Louis Tiffany Foundation, Laurel Hollow, Cold Spring Harbor, New York. Loggia
    Laurelton Hall
  • Laurelton Hall, garden, wisteria pergola"Laurelton Hall," Louis Tiffany Foundation, Laurel Hollow, Cold Spring Harbor, New York. Wisteria pergola
    Laurelton Hall

Johnston, Frances Benjamin, 1864-1952, photographer; Hewitt, Mattie Edwards, 1869-1956, photographer, Wikimedia Commons, Public domain 2

  • Killenworth, exterior from the swimming pool"Killenworth," George Dupont Pratt house, Glen Cove, New York. View to house from swimming pool
    Killenworth
  • Killenworth, swimming pool and tea house"Killenworth," George Dupont Pratt house, Glen Cove, New York. View to tea house from swimming pool
    Killenworth

JonathanRe at English Wikipedia, Wikimedia Commons, CC BY-SA 3.0 1

Lolalatorre, Wikimedia Commons, CC BY-SA 3.0 1

Louis Comfort Tiffany, Wikimedia Commons, CC0 1

  • Laurelton Hall, surviving loggia as displayed in the museumArchitectural Elements from Laurelton Hall, Oyster Bay, New York (loggia at the Metropolitan Museum of Art)
    Laurelton Hall

Mike Durkin, Wikimedia Commons, CC BY-SA 2.0 1

  • Caumsett, exterior, entrance frontCaumsett Hall at Caumsett State Historic Park Preserve
    Caumsett

Misko3, Wikimedia Commons, CC BY-SA 4.0 1

  • Ormston House, interior, monastery iconostasisIconostasis Basilian Fathers Glen Cove pict from 1989.jpg
    Ormston House

Mr.choppers, Wikimedia Commons, CC BY-SA 3.0 4

Muncharelli, Wikimedia Commons, CC BY-SA 3.0 2

OhekaCastleNY, Wikimedia Commons, CC BY-SA 4.0 2

Oleg Yunakov, Wikimedia Commons, CC BY-SA 4.0 1

Previews Incroporated, Wikimedia Commons, Public domain 4

  • Poplar Hill, exterior, entrance front with drive (likely about 1946)Poplar Hill mansion in Glen Cove, New York (sales brochure photograph)
    Poplar Hill
  • Poplar Hill, exterior (likely about 1946)Poplar Hill mansion in Glen Cove, New York (sales brochure photograph)
    Poplar Hill
  • Poplar Hill, groundsLandscaping of Poplar Hill mansion
    Poplar Hill
  • Poplar Hill, interior, libraryLibrary of Poplar Hill mansion
    Poplar Hill

Rau, William Herman, 1855-1920., Wikimedia Commons, Public domain 1

  • Sagamore Hill, exterior, historic photographTheodore Roosevelt's residence, Sagamore Hill, Oyster Bay, N.Y.
    Sagamore Hill

Ryssby at English Wikipedia. Later versions) were uploaded by Ali'i at en.wikipedia., Wikimedia Commons, CC BY 2.5 1

Saturnmondays, Wikimedia Commons, CC BY-SA 4.0 15

SavidgeMichael, Wikimedia Commons, CC BY 4.0 1

Schwalbe from german Wikipedia, Wikimedia Commons, CC BY-SA 3.0 1

Suzan Marie, Wikimedia Commons, CC BY 2.0 1

The Architectural Record XXVIII, Wikimedia Commons, Public domain 1

The Brickbuilder, v.22 1913, Wikimedia Commons, Public domain 2

  • Matinecock Point, exteriorMatinecock Point, J.P. Morgan's mansion in Glen Cove NY (The Brickbuilder, February 1913)
    Matinecock Point
  • Matinecock Point, exterior, closer viewMatinecock Point, J.P. Morgan Jr's mansion in Glen Cove, L.I. (The Brickbuilder, February 1913)
    Matinecock Point

The Library of Congress, Wikimedia Commons, No restrictions 1

  • Ormston House, garden fountain, hand-colored"Ormstom," John Edward Aldred house, 1 East Beach Drive, Glen Cove, New York (hand-colored lantern slide)
    Ormston House

The Library of Congress, Wikimedia Commons, Public domain 1

  • Killenworth, event on the groundsDuncan Dancers (garden fete at Killenworth, 1918)
    Killenworth

The original uploader was Americasroof at English Wikipedia., Wikimedia Commons, CC BY-SA 2.5 1

Tlee1523, Wikimedia Commons, CC BY-SA 4.0 1

United States Merchant Marine Academy, Wikimedia Commons, Public domain 1

Unknown authorUnknown author, Wikimedia Commons, Public domain 10

  • Oheka Castle, historic aerial of house and gardensKahn Estate, aerial view (Library of Congress lantern slide)
    Oheka Castle
  • Salutation, exteriorSalutation Estate.png
    Salutation
  • Brookholt, exteriorBrookholt in Hempstead, Long Island (postcard)
    Brookholt
  • Brookholt, exterior with columned porchBrookholt Estate in East Meadow (Architectural Record, 1902)
    Brookholt
  • Brookholt, exteriorBrookholt Estate in East Meadow (Architectural Record, 1902)
    Brookholt
  • Brookholt, exteriorBrookholt Estate in East Meadow (Architectural Record, 1902)
    Brookholt
  • Brookholt, entrance gatesBrookholt gates (Architectural Record, 1902)
    Brookholt
  • Brookholt, stablesBrookholt stables (Architectural Record, 1902)
    Brookholt
  • Beacon Towers, exterior, beach sideBeacon Towers from the beach (Spur magazine, 1920)
    Beacon Towers
  • Beacon Towers, exterior, rearBeacon Towers, rear (beach side) elevation (Architectural Record, 1920)
    Beacon Towers

Video still, Aerial New York, via YouTube 1

  • Video: Old Westbury Gardens from the airVideo still: Old Westbury Gardens from the air

Video still, Chris Collura, via YouTube 2

  • Video: Special report: Long Island's Gold Coast MansionsVideo still: Special report: Long Island's Gold Coast Mansions
  • Video: Long Island's Gold Coast Mansions, Part II: Coindre HallVideo still: Long Island's Gold Coast Mansions, Part II: Coindre Hall

Video still, Craig Steves, via YouTube 1

  • Video: The Great Gatsby (1949)Video still: The Great Gatsby (1949)

Video still, FireFly Productions, via YouTube 1

  • Video: The Montauk ManorVideo still: The Montauk Manor

Video still, GoldCoastMansions.com, via YouTube 4

  • Video: Long Island Gold Coast Mansions, Part IVideo still: Long Island Gold Coast Mansions, Part I
  • Video: Long Island Gold Coast Mansions, Part IIVideo still: Long Island Gold Coast Mansions, Part II
  • Video: Mill Neck Manor (Sefton Manor)Video still: Mill Neck Manor (Sefton Manor)
  • Video: Gold Coast Mansions gala for Long Island History MonthVideo still: Gold Coast Mansions gala for Long Island History Month

Video still, Half Pudding Half Sauce, via YouTube 2

  • Video: Winfield Hall, the Woolworth estate, part 2Video still: Winfield Hall, the Woolworth estate, part 2
  • Video: Winfield Hall, the Woolworth estate, part 3Video still: Winfield Hall, the Woolworth estate, part 3

Video still, Justin, via YouTube 1

  • Video: Coindre Hall from the airVideo still: Coindre Hall from the air

Video still, MyLITV, via YouTube 1

  • Video: Mansions and Millionaires' final party, the Designer Showcase 2015Video still: Mansions and Millionaires' final party, the Designer Showcase 2015

Video still, The Mansion at Glen Cove, via YouTube 1

  • Video: Welcome to The Mansion at Glen CoveVideo still: Welcome to The Mansion at Glen Cove

Video still, YouTube Movies, via YouTube 1

  • Video: The Great Gatsby (1974), trailerVideo still: The Great Gatsby (1974), trailer

Video still, simplethrills, via YouTube 1

  • Video: Eagle's Nest, the Vanderbilt Mansion: interiorVideo still: Eagle's Nest, the Vanderbilt Mansion: interior

Viscountrapier at English Wikipedia, Wikimedia Commons, Public domain 1