3030 Brownell Avenue : The Brennaman Group

The Brennaman Group > Sullivans Island > Marshall Reservation > 3030 Brownell Avenue

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3030 Brownell Avenue, Sullivans Island, SC 29482 $3,900,000

3030 Brownell Avenue is the only home for sale in the Marshall Reservation neighborhood of Sullivans Island.

Bedrooms 4

Full Bathrooms 3

SqFt 5,400

Updated 04/14/2026

Half Bathrooms 0

Price/SqFt $722

General Features

Category Residential

Stories 1

Lot Description .5 - 1 Acre,High,Ocean View

County Charleston

City Sullivans Island

Subdivision Marshall Reservation

MLS number 26010498 (Active)

Address 3030 Brownell Avenue, Sullivans Island, SC 29482 US

Listing Provided by Coastal Connections Real Estate

Sale Type Not an Auction

MLS Area 43 - Sullivan's Island

Description : 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.

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.

Exterior Features

Exterior See Remarks

Foundation Other,Slab

Roof See Remarks

Water / Sewer Public Sewer

Interior Features

Flooring Concrete

Cooling Central Air

Heating Central

Schools

Elementary School
Sullivans Island

Middle School
Laing

High School
Wando

3030 Brownell Avenue is listed for sale at $3,900,000 and is in the 29482 zip code, in the Marshall Reservation neighborhood of Sullivans Island. Schools near include Sullivans Island, Laing and Wando.The best way to learn about this home for sale is to come and view it in person, all you have to do is call and ask me, to set up your complimentary showing of 3030 Brownell Avenue.

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3030 Brownell Avenue is a 4 bedroom single family detached property in Marshall Reservation in the city of Sullivans Island which is listed for $3,900,000. The total heated square footage is about 5,400 sq ft, and this translates to $722 per sq ft. This home was built in 1942 and has 3 full bathrooms.

Properties marked with the Broker Reciprocity logo are provided courtesy of Charleston Trident Multiple Listing Service, Inc. The data relating to real estate for sale on this web site comes in part from the Broker Reciprocity Program of the Charleston Trident Multiple Listing Service. Real estate listings held by brokerage firms other than the website owner are marked with the Broker Reciprocity logo or the Broker Reciprocity thumbnail logo and detailed information about them includes the name of the listing brokers. The broker providing this data believes it to be correct, but advises interested parties to confirm them before relying on them in a purchase decision. Information is provided exclusively for consumers' personal, non-commerical use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

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