Own this World War II Era Bunker! Over 5,500 sqft! Built in 1942 in South Carolina!
Finding a large property on Sullivan’s Island is not an easy task. This home on Brownell Avenue sits on more than half an acre of land. It is rare to find this much space so close to the ocean.
3030 Brownell Ave, Sullivan’s Island, SC 29482
Price: $3,900,000
Space to Breathe Near the Coast
The first thing you notice about this property is the size of the lot. Most beach homes are crowded together, but this one has room to spread out. It sits on 0.58 acres, which gives you a lot of privacy.
The house itself is also much bigger than it looks from the street. It has 5,400 square feet of living space. Because it is all on one level, the layout feels very open and easy to move through.
features
- 0.58-acre lot
- 5,400 square feet
- Single-story layout
- Elevated lot
Coastal History and Potential
This home was built back in 1942. You can feel the history when you walk through the rooms. It has a solid feel that you don’t always get with newer beach houses.
Many people see this as a “trophy” property. This means it is a great spot to take an older home and make it something truly special. The bones of the house are strong, and the location is one of the best on the island.
features
- Built in 1942
- Strong structural integrity
- 84 years of history
- Classic coastal style
High Ceilings and Ocean Air
Inside, the home feels very bright and airy. One of the best parts is the height of the ceilings. They make every room feel twice as big as it already is.
Large windows let in plenty of natural light. On a clear day, you can catch views of the ocean. Since the beach is only one block away, you can always hear the waves and feel the salt air from your front door.
features
- High ceilings
- Ocean views
- Large windows
- Ground-level entry
A Flexible Interior Layout
The house has four large bedrooms and three full bathrooms. There is also a bonus room that could be used for many things. It would make a great home office, a playroom, or a quiet spot for guests.
The floors are made of concrete, which is a very practical choice for a beach house. It stays cool in the South Carolina heat and is easy to clean after a day in the sand. The rooms are wide and offer plenty of space for big furniture.
features
- 4 Bedrooms
- 3 Full bathrooms
- Bonus room
- Concrete flooring
Modern Comforts in a Classic Shell
Even though the house is older, it has the modern systems you need. It features central heating and cooling to keep things comfortable all year round. There is also a dedicated laundry room with hookups for a washer and dryer.
Living here means you are part of the Marshall Reservation neighborhood. It is a quiet area where people look out for one another. It is the kind of place where you can walk your dog or ride your bike to the local shops.
features
- Central heating
- Central air conditioning
- Laundry room
- Marshall Reservation neighborhood
Life on Sullivan’s Island
Sullivan’s Island is a special place to live. It is known for its relaxed vibe and beautiful scenery. This property is just a short walk from the sand, making it easy to go for a morning walk on the beach.
The local school, Sullivan’s Island Elementary, is highly rated. This makes the area great for families who want a quiet life by the water. You get the peace of a small island with the convenience of being close to Charleston.
features
- One block from the beach
- Top-rated elementary school
- Quiet residential street
- Low crime area
A Rare Opportunity
Properties like this do not come on the market very often. Between the size of the lot and the square footage of the home, there is a lot of value here. It is a blank canvas waiting for someone to bring their own vision to it.
Whether you want to keep the historic charm or create something brand new, the location is hard to beat. It is a rare chance to own a piece of one of South Carolina’s most iconic islands.
features
- Under contract potential
- Redevelopment opportunity
- High-demand location
- Large yard space
From Zillow
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.
