1873 NYC Artificial Islands: Hoffman and Swinburne

artificial islands-NYC.jpg
Both artificial islands were allegedly created in 1873. Hoffman and Swinburne islands are currently managed by the National Park Service as part of the Staten Island Unit of Gateway National Recreation Area.

Hoffman Island
Hoffman Island is an 11-acre (4.5 ha) artificial island in the Lower New York Bay, off the South Beach of Staten Island, New York City. Created in 1873 upon the Orchard Shoal by the addition of landfill, the island is named for former New York City mayor (1866–1868) and New York Governor (1869–1871) John Thompson Hoffman.

hoffman.jpg

Hoffman Island - Wikipedia

Swinburne Island
Swinburne Island is a 4-acre (1.6 ha) artificial island in the Lower New York Bay, off the South Beach of Staten Island, New York City. It was used for quarantine of immigrants. Swinburne Island is the smaller of two islands near South Beach, the other being Hoffman Island.

Swinburne.jpg

Swinburne Island - Wikipedia

Compare to: Fort Sumter Island
Fort Sumter is a sea fort in Charleston, South Carolina. Construction began in 1829, and the structure was still unfinished in 1861, when the Civil War began. Seventy thousand tons of granite were transported from New England to build up a sand bar in the entrance to Charleston Harbor.

It was built on an artificial island made of large blocks of stone: Building Fort Sumter was a long process


Oh, and check this thing out... Ellis island is about 8 miles away from Hoffman and Swinburne.

Ellis Island, NY & NJ
The present-day Ellis Island was created by retreating glaciers at the end of the Wisconsin glaciation about 15,000 years ago. While most of the island is in Jersey City, New Jersey, a small section is an exclave of New York City.
  • The island has a land area of 27.5 acres (11.1 ha), much of which is from land reclamation.
  • The 2.74-acre (1.11 ha) natural island and contiguous areas comprise 3.3 acres (1.3 ha) within New York, and are located on the northern portion of the present-day island.
  • The artificial land is part of New Jersey.
  • The island has been owned and administered by the federal government of the United States since 1808 and operated by the National Park Service since 1965.
    • KD: So, how much of it is artificial, and when was it built?
  • Take a look at the Main Building.
The reason I added Ellis island to our Hoffman and Swinburne ones is this image below. They included it, so did I. Looks like they got Hoffman and Swinburne backwards though.

ny-islands.jpg


KD: Well, I could not find anything pertaining to the construction of Hoffman and Swinburne islands. May be you can (docs,photographs, etc...). What do you think, could they create two artifical islands of this size within 1 year back in 1873?

P.S. Should have probably included these two as well. Them 19th century NY people were busy building islands, or so it seems. I doubt there is anything natural in this New York Bay.
 

AmusingMuse

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Almost looks like they were covering up star forts but that's not my expertise.
 
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  • Right Arm

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    I am well suspicious of the area as a whole, lots of forts, Man-hatten Island Holds it's own secrets, I have an older pic of Liberty Island undergoing some construction/renovation and there is more under there( it is in my unnamed screenshot collection which is as vast as it is stupid for me not cataloguing them).

    Quite a lot of stars for a all gathered together here.
    Screenshot from 2022-04-25 18-30-06.jpg

    Find these strain line on the sea bed to be of interest and pointing towards Hoffman Island

    Screenshot from 2022-04-25 18-27-39.jpg


    Screenshot from 2022-04-25 18-27-09.jpg
    Screenshot from 2022-04-25 18-26-45.jpg
    Screenshot from 2022-04-25 18-26-15.jpg
    Screenshot from 2022-04-25 18-25-37.jpg
    Screenshot from 2022-04-25 18-25-19.jpg
    Screenshot from 2022-04-25 18-24-49.jpg
    Screenshot from 2022-04-25 18-24-35.jpg
    Screenshot from 2022-04-25 18-24-15.jpg
    Screenshot from 2022-04-25 18-23-53.jpg


    Wonder if there are some LIDAR of the sea bed in the area.
     

    Liliana Usvat

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    I am fascinated with the star forts of New York and the artificial Islands. For example the Governor's island is vacated since 1996. Nobody can live on the island during the night. During the day there is a public school located on the island. Before 1996 some military unit was stationed on the island. It was vacated few years prior to 911 and you can see the twin tower site from the island It said that there are no subways that connect Manhattan with the Governor's island but you can see some construction that seems to be an air filter or air something connected with the island. The Star fort was massive but it close to the public. There are daily cheap boat routes that connect Manhattan with the Governor's island. The stones that build the star forts are one meter in length almost half meter wide. those that built the star fort should have had the ability to verify the building construction from the air because you cannot have such precise construction and being able to control the 2 stars form the central point on the air. Some information is missing.
    The houses existing on The Governor's Islands are not for sale and the land cannot be bought on the Island. The houses are given for free to those that have a positive projects on the Island. There is a real estate agency that allocate land to some companies that have an art gallery inside the houses. There is a church on the island also large buildings as if they were built for larger people. Also the characteristics of Tartarian buildings with red and white bricks. A golf course on the free land is established there.
    I tried to enter the school building to take some pictures but a military type of person sent me away.
     

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