3030 Brownell Avenue, Sullivans Island SC 29482 — photo 1 of 18
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$3,900,000

Active

3030 Brownell Avenue, Sullivans Island SC 29482

Sullivans Island, SC 29482View on map

4 bedrooms3 bathrooms5400 sq ftResidential · Single Family Detached

Est. $20,736/mo with 20% down at 6.99%

MLS #26010498

Potential Cost Advantage with Nestor

$97,500

Based on $3,900,000 and a typical 2.5%–3.0% buyer-side compensation. Actual savings vary.

No buyer agent commission requested

You pay a flat $599 fee to Nestor when your offer is accepted — that's it.

Why Nestor flags this home

154 days on market — longer time listed often means the seller is more open to negotiation.

Quick facts

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.

Property details

Property typeResidential · Single Family Detached
Bedrooms4
Bathrooms3
Square footage5400 sq ft
StatusActive
MLS number26010498
CitySullivans Island
StateSC
Zip code29482

How buying works with Nestor

1

Get Nestor Certified

Complete identity verification to meet the requirements for requesting showings through Nestor.

2

Schedule your tour

Request showings through Nestor. NovaCasa coordinates the appointment and notifies you when it is confirmed.

3

Make your offer

Nestor helps you build a strong, competitive offer based on comps and market data.

4

Nestor tracks to closing

We manage deadlines, inspections, and keep you on track to close.

Listing information deemed reliable but not guaranteed. © 2026 Nestor. All rights reserved.

$3,900,000

3030 Brownell Avenue, Sullivans Island SC 29482

Sullivans Island, SC 29482

4 bd3 ba5400 sqft

Potential Cost Advantage

$97,500

Est. 2.5–3% buyer-side savings vs. traditional agent. Flat $599 Nestor fee applies.

EQUAL
HOUSING
OPPTY

Equal Housing Opportunity. All real estate listings are provided without regard to race, color, national origin, religion, sex, familial status, disability, or any other protected class. Listing data is deemed reliable but not guaranteed. Nestor and Novacasa LLC are committed to full compliance with all applicable fair housing laws. MLS data is provided for informational purposes only and does not constitute an offer or solicitation.

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Equal Housing Opportunity. Nestor and Novacasa LLC are committed to compliance with all federal, state, and local fair housing laws. We do not discriminate on the basis of race, color, national origin, religion, sex, familial status, disability, or any other protected class. All listings are provided without regard to protected characteristics.

Listing data provided by the Coastal Trident MLS (CTMLS) and the Charleston Trident Association of REALTORS® (CHSMLS) via Bridge Interactive. Information is deemed reliable but not guaranteed. Listings are provided for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties. NovaCasa Realty, LLC is an authorized IDX/VOW participant. All listing data is subject to CTMLS/CHSMLS copyright.

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