3030 Brownell Avenue, Sullivans Island, SC, 29482

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$3,900,000
New Listing

3030 Brownell Avenue
Sullivans Island, SC 29482

For Sale|Single Family Residence|Active
4
Beds
3
Total Baths
3
Full Baths
5,400
SqFt
$722
/SqFt
1942
Built
Subdivision:
Marshall Reservation
County:
Charleston
Listing courtesy of Coastal Connections Real Estate
3030 Brownell Avenue3030 Brownell Avenue3030 Brownell Avenue3030 Brownell Avenue
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Monthly Payment (Est.)

$17,793
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3030 Brownell represents one of the most unique and compelling opportunities on Sullivan's Island--where history, engineering, and location converge to create a canvas unlike anything else on the island.Positioned on a half-acre parcel just one block from the beach, the property offers both scale and proximity--an increasingly rare combination in one of the Lowcountry's most sought-after coastal communities.At its core lies a World War II-era concrete bunker, encompassing approximately 5,400 square feet and constructed with 15-foot-thick reinforced concrete walls. Elevated roughly 20 feet above sea level, the structure has already demonstrated extraordinary resilience. Its durability, elevation, and permanence offer a level of structural integrity that would be extraordinarily difficult to replicate today. What makes this offering particularly compelling is the flexibility it presents for a future owner to explore what's possible. The existing structure provides a substantial and highly unique foundation, opening the door for a thoughtful buyer to engage with the Town of Sullivan's Island regarding potential future use, design, or redevelopment of the site. Whether the vision leans toward preserving and enhancing what exists or pursuing a broader architectural concept, the property invites creativity, collaboration, and forward-thinking design. Below, the expansive interior lends itself to a wide range of possibilities--whether imagined as a private cinema, wine vault, gallery, wellness space, or secure retreat--creating a space that is as functional as it is unforgettable. For those with the vision to execute, this is not simply a homesite--it is an opportunity to create a landmark property that blends modern coastal living with a piece of American history. Moments from the beach and close to Sullivan's Island's beloved restaurants and gathering places, the lifestyle here is equally refined: morning walks along the shoreline, afternoons on the water, and evenings immersed in the quiet rhythm of island living. Opportunities like this are defined not just by what exists--but by what can be thoughtfully pursued. 3030 Brownell offers a rare chance to create something enduring, distinctive, and entirely your own.

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Listing Snapshot
Price 
$3,900,000
Days On Site 
0 Days
Bedrooms 
4
Inside Area (SqFt) 
5,400 sqft
Total Baths 
3
Full Baths 
3
Partial Baths 
N/A
Lot Size 
0.58 Acres
Year Built 
1942
MLS® Number 
26010498
Status 
Active
Property Tax 
N/A
HOA/Condo/Coop Fees 
N/A
Sq Ft Source 
Assessor
Friends & Family
Recent Activity
15 hours agoListing updated with changes from the MLS®
15 hours agoStatus changed to Active
20 hours agoListing first seen on site
General Features
Acres 
0.58
Foundation 
OtherSlab
Levels 
One
Number Of Stories 
1
Property Sub Type 
Single Family Residence
Sewer 
Public Sewer
SqFt Total 
5400
Water Source 
Public
Interior Features
Cooling 
Central Air
Flooring 
Concrete
Heating 
Central
Interior 
High CeilingsOther
Laundry Features 
Electric Dryer HookupWasher HookupLaundry Room
Master Bedroom 
Level - Lower
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Exterior Features
Construction Details 
See Remarks
Roof 
See Remarks
Community Features
Building Access 
Ground Level
Financing Terms Available 
Lease PurchaseCashConventionalVA Loan
MLS Area 
43 - Sullivan's Island
Schools
School District
Unknown
Elementary School
Sullivans Island
Middle School
Laing
High School
Wando
Listing courtesy of Coastal Connections Real Estate



Listing information is provided by Participants of the CHS Regional MLS. IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed. Copyright 2026, CHS Regional MLS.
Last checked: 2026-04-14 09:58 PM UTC

Neighborhood & Commute
Source: Walkscore
Disclosure: Community information and market data powered by Constellation Data Labs. Information is deemed reliable but not guaranteed.
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