Private Island with Deep-Water
For Sale
$3,225,000
Blackwall Island, Saint Helena Island, SC 29920
LAND - St. Helena Island, SC
Lot Size19.78 Acres
Days on Market165
Property Features for Blackwall Island
General Information
Property type
Land
Property subtype
Other
Zoning
Natural Preserve
View
River, Ocean
Subdivision
St Helena Island
Standard status
Active
APN
R300-011-000-0088-0000
Lot size
19.78 Acres
Taxes and HOA fees
Tax Description
SUBJ TO ROLL BACK TAX LIEN BLACK WALL IS TIMBERLAND
Tax Annual Amount
80
Legal Description
SUBJ TO ROLL BACK TAX LIEN BLACK WALL IS TIMBERLAND
Utilities
Water front features
Creek
Listing Agency:
Maxey Blackstream Christie's
(843) 476-4763
Listed By:
Megan Feight · License #116623
(843) 271-3509
Added: Feb 15
Changed: Jul 9
Last Checked: Jul 30 at 3:06PM
MLS# 194715
Copyright © 2026 Lowcountry Regional MLS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
Investment Insights
Based on property information with market context.
Blackwall Island presents a rare opportunity for elevated coastal living rooted in the Lowcountry tradition. This private island features nearly 20 acres of entirely high and dry land, offering exceptional elevation and stability. A commercial-grade deep-water dock provides direct access to the Intracoastal Waterway and the nearby ocean, ideal for boating and recreation, with convenient access to Beaufort, Charleston, and Savannah. The property includes mainland parcels and seamless dock-to-dock access, creating a compound that balances convenience with complete seclusion. Proposed construction and home plans are upcoming. The sale includes 16 & 42 Cusabo Drive. Seller financing is available. The zoning is Natural Preserve.
Key Highlights
- Private 20‑acre island with high elevation and stable land.
- Commercial‑grade deep‑water dock** with direct access to the Intracoastal Waterway and ocean.
- Seamless dock‑to‑dock access and included mainland parcels create a convenient and secluded compound.
Property Analytics
Property Profile
Current Use
Location Intelligence
Trade Area within ½ mile
10
Businesses Nearby
Explore this area
Business Placement
Demographics for 29920, SC
9,214
Population
7,045
Households
1.3
Avg Household Size
57
Median Age
34%
College-Educated
90%
High-School Grad
97.6 sq mi
ZIP Area
94
Density / Sq Mi
$72,865
Median Household Income
$34,194
Median Earnings
$960
Median Rent
$285,200
Median Home Value
Questions? Ask Rey
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Frequently Asked Questions
What type of property is this?
Waterfront Land - Rare private island with mainland parcels and deep-water access.
Where is this waterfront land located?
The property is located at Blackwall Island Saint Helena Island, SC.
What is the asking price?
The asking price for this property is $3,225,000.
What are key features of this property?
This property features: Private 20‑acre island with **high elevation and stable land**.; Commercial‑grade deep‑water dock** with direct access to the Intracoastal Waterway and ocean.; Seamless dock‑to‑dock access and included mainland parcels create a convenient and secluded compound.
