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Lot/land
  • $3,225,000

    Blackwall Island St, Saint Helena Island, SC 29920

    --beds
    --baths
    19.78Acres
    Unimproved Land
    Built in ----
    19.78 Acres Lot
    $-- Zestimate®
    $--/sqft
    $-- HOA

    What's special

    Private islandPrivate shorelineIncluded mainland estate parcelsHorizons remain uninterrupted
    Ownership of a private island is among the rarest expressions of coastal real estate-defined by freedom, privacy, and complete control of your surroundings. Blackwall Island embodies that distinction with clarity and presence. Spanning nearly 20 acres of entirely high and dry land, this private island rises above the surrounding marsh with uncommon elevation and stability. In a region shaped by tides, Blackwall offers enduring build confidence and a setting designed to last for generations. A commercial grade deep water dock provides direct access to the Intracoastal Waterway and the Atlantic Ocean just moments away placing boating, fishing, and open water recreation at your doorstep. From your private shoreline, cruise to historic Beaufort, or venture north to Charleston and south to Savannah, returning each time to total seclusion.Included mainland estate parcels elevate this offering into a fully realized compound. Establish a primary mainland residence, guest quarters, or private support facilities, all with seamless dock-to-dock access to the island. This rare combination delivers both convenience and complete retreat allowing the island to remain purely your sanctuary. Blackwall Island offers the opportunity to create a legacy estate defined by independence and scale-where arrivals are by boat, horizons remain uninterrupted, and daily life unfolds on your own terms. This is more than property. It is complete ownership of a private island defined by acreage, elevation, deep water access, and absolute privacy. Blackwall Island is not simply acquired, it is stewarded, experienced, and passed forward. Home plans and proposed construction coming soon. Included in sale: 16 Cusabo Road, 1.21 acre (R300-011-000-0208-0000) & 42 Cusabo Road, 0.63 acre (R300-011-000-0214-0000). Seller financing available.
    158 days
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    164
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    10
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    Zillow last checked:

    Listing updated:

    Listed by:

    Megan Feight 843-271-3509,

    Maxey Blackstream Christie's International Real Estate

    Source: REsides, Inc.,MLS#: 504838MLS Logo

      Facts & features

      Property

      Features
      • Has view: Yes
      • View description: Sound, Water
      • Has water view: Yes
      • Water view: Sound,Water
      Lot
      • Size: 19.78 Acres
      • Features: 20-50 Acres, Acreage
      Details
      • Parcel number: R30001100000880000
      • Special conditions: None

      Utilities & green energy

      • Sewer: None

      Community & HOA

      Community
      • Subdivision: St Helena Island
      HOA
      • Amenities included: Boat Ramp, Dock
      Location
      • Region: Saint Helena Island

      Financial & listing details

      • Date on market: 2/17/2026
      • Listing terms: Cash,Conventional,1031 Exchange

        Estimated market value

        Not available

        Estimated sales range

        Not available

        Not available

        Price history

        DateEventPrice
        2/17/2026Listed for sale$3,225,000+101.6%
        Source: REsides, Inc. #504838 Report a problem
        12/2/2025Listing removed$1,600,000
        Source: Lowcountry Regional MLS #190532 Report a problem
        9/4/2025Price change$1,600,000-17.9%
        Source: Lowcountry Regional MLS #190532 Report a problem
        5/14/2025Listed for sale$1,950,000+290%
        Source: Lowcountry Regional MLS #190532 Report a problem
        9/10/2021Sold$500,000-16%
        Source: Lowcountry Regional MLS #163510 Report a problem
        6/29/2021Pending sale$595,000
        Source: Lowcountry Regional MLS #163510 Report a problem

        Public tax history

        Tax history is unavailable.

        Monthly payment

        Estimated monthly payment$1,822
        All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
        HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
        Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
        See how much you could borrow to make a competitive offer.

        Climate risks

        Neighborhood: 29920

        Getting around

        0 / 100
        Car-Dependent
        28 / 100
        Somewhat Bikeable

        Nearby schools

        GreatSchools rating

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