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3030 Brownell Avenue

Sullivans Island, SC 29482

Single Family Detached
$3,900,000
Active
At a glance
Beds
4
Baths
3.0
Year Built
1942
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Property 3030 Brownell Avenue

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Available from 2026-10-06 through 2026-10-19.

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    About this home

    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 2026-10-05T23:50:03+00:00

    Details

    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
    Year Built
    1942
    Stories
    1
    Days on Market
    168

    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
    Sep 28, 2026
    Bridge Modified
    Sep 28, 2026
    Last Refreshed
    Oct 5, 2026

    Location

    3030 Brownell Avenue

    Sullivans Island, SC, 29482

    Location Details

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

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