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

Sullivans Island, SC, 29482
$ 3,900,000
Bedrooms4 Baths3.0 Sq 5,400

Monthly Estimate*

$ 24,013

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Single Family Home for sale in Sullivans Island, SC

for $3,900,000 with 4 bedrooms and 3 full baths. This 5,400 square foot home was built in 1942 on a lot size of 0.58.

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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Single Family Active

Price

$ 3,900,000

Bedrooms

4

Full Bath

3

Property Type

Single Family

Taxes

$ 0

Style

Lot Size

0.58

Year Built

1942

Town/City

Sullivans Island

County/Region

Charleston

MLS | Web ID

26010498

Features
General
County Charleston
Property Type Residential
Subdivision Name Marshall Reservation
Status Active
Directions Postal Address Is 3031 Ion Ave. From Ben Sawyer Memorial Bridge Coming Into Sullivans Island Take A Left Onto Jasper Blvd. From There Take A Right Onto Station 30 St And Then Take A Left Onto Ion Ave.
High School Wando
City Sullivans Island
MLS Area 43 - Sullivan's Island
Lot Size Units Acres
Lot Size Square Feet 25264.8
Elementary School Sullivans Island
Middle/Junior High School Laing
Building Area Units Square Feet
Standard Status Active
Sewer Public Sewer
Heating Central
Cooling Central Air
Roof See Remarks
Construction Materials See Remarks
Year Built 1942
New Construction false
Other Structures No
Stories Count 1
Levels One Other (Use Remarks)
Property Subtype Single Family Detached
Full Baths 3
Property Attached Y/N false
Entry Location Ground Level
Primary Bedroom Level Lower
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Interior
Interior Amenities High Ceilings Bonus Other
Air Conditioning Y/N true
Heating Y/N true
Laundry Features Electric Dryer Hookup Washer Hookup Laundry Room
Total Bedrooms 4
Fireplace Y/N false
Half Baths 0
Room Type Bonus Laundry Other (Use Remarks)
Flooring Concrete
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Exterior
Lot Size Area 0.58
Lot Size Acres 0.58
Lot Features .5 - 1 Acre High Ocean View
Water Source Public
Foundation Details Other Slab
Building Area Total 5400
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* Excluded Features
List By
Coastal Connections Real Estate

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$24,013
Per Month
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Monthly Principal & Interest
$24,013
Monthly Property Taxes
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Monthly Home Insurance
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Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
245868 Elementary School
245860 Middle School
Wando High School High School
Pricing History
DatePricePrice ChangeDescription
4/14/2026$3,900,000 Listed Price

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3030 Brownell Avenue, Sullivans Island, SC, 29482 is a Single Family Home for sale at $3,900,000 with 5,400 sqft and a lot size of 0.58. 3030 Brownell Avenue has 4 bedrooms, 3.0 baths, and was built in 1942. The property's zip code is 29482 which is in Sullivans Island, SC