3030 Brownell Avenue

Sullivans Island, SC 29482

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.

CHS MLS Listed by Coastal Connections Real Estate Data source: Charleston Trident MLS Updated 2026-06-04T02:40:19+00:00
$3,900,000
Active
$722/sqft
Beds
4
Baths
3.0
Sq Ft
5,400
Year Built
1942

Property Details

Structured listing details from the canonical property record.

Property Details

Listing ID
26010498
Status
Active
Property Type
Residential
Property Subtype
Single Family Detached
Market Area
43 - Sullivan's Island
Bedrooms
4
Bathrooms
3.0
Living Area
5,400 sq ft
Lot Size
0.58 acres
Year Built
1942
Stories
1
Days on Market
52

Features

Fireplace
No

Lot & Community

Lot Size
0.58 acres
Subdivision
Marshall Reservation
City
Sullivans Island
State
SC

Schools

Elementary School
Sullivans Island
Middle School
Laing
High School
Wando

Source & Freshness

Data Source
Charleston Trident MLS
Source System
CHS Regional MLS
Listing Modified
Apr 14, 2026
Bridge Modified
Apr 14, 2026
Last Refreshed
Jun 3, 2026
Compliance Contract
idx-compliance-v1

Location & Neighborhood

Canonical location context for this listing, including mapped position and available community information.

3030 Brownell Avenue

Sullivans Island, SC, 29482

Location Context

City
Sullivans Island
State
SC
Postal Code
29482
Market Area
43 - Sullivan's Island
Subdivision
Marshall Reservation

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