2820 Ion Avenue Sullivans Island, SC $ 3,500,000
2820 Ion Avenue
$ 3,500,000
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2820 Ion Avenue

Sullivans Island, SC, 29482
$ 3,500,000
Bedrooms6 Baths3.1 Sq 3,099

Monthly Estimate*

$ 21,550

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Single Family Home for sale in Sullivans Island, SC

for $3,500,000 with 6 bedrooms and 3 full baths, 1 half bath. This 3,099 square foot home was built in 1941 on a lot size of 0.51.

Set on a full half-acre street-to-street lot stretching from I'On Avenue to Middle Street, this property represents one of the more compelling land opportunities currently available on Sullivan's Island. Parcels of this scale and configuration are increasingly rare--offering both presence and flexibility in a way that is difficult to replicate. The lot itself is a standout. With minimal tree coverage through the primary building envelope and live oaks largely framing the perimeter, the site allows for a far more efficient and expansive footprint than typically found on the island.Importantly, there are no significant tree restrictions that would limit the ability to design a home with a majority of living on the first floor--an increasingly sought-after feature for both primary and second-home owners. The existing six-bedroom home spans the property with a layout designed for gathering, featuring multiple living spaces and a large wraparound screened porch that captures the ocean breeze beneath a canopy of oaks and palms. An open-concept main living area flows into an oversized dining space, while the kitchen connects seamlessly to the home's indoor and outdoor entertaining areas. A privately positioned owner's suite--added to the rear of the home--offers separation from guest rooms, complete with a spacious bath and generous closet. Elevator access to the main level adds ease, and the floor plan remains both functional and adaptable. Notably, the home is not on the historic register, further enhancing the long-term flexibility and optionality of the property. Just a short walk to one of Sullivan's Island's most beloved beach accesses, this is a rare opportunity to secure a premier lot with scale, depth, and design potential--whether enjoyed as-is or reimagined over time.

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Single Family Active

Price

$ 3,500,000

Bedrooms

6

Full Bath

3

Half Bath

1

Property Type

Single Family

Taxes

$ 0

Style

Cottage, Craftsman

Lot Size

0.51

Year Built

1941

Town/City

Sullivans Island

County/Region

Charleston

MLS | Web ID

25020715

Features
General
County Charleston
Property Type Residential
Subdivision Name None
Status Active
Directions From Middle Turn Onto Station 28.5 Take A Right And House Is On Your Right At 2820.
High School Lucy Beckham
City Sullivans Island
MLS Area 43 - Sullivan's Island
Lot Size Units Acres
Lot Size Square Feet 22215.6
Elementary School Sullivans Island
Middle/Junior High School Moultrie
Building Area Units Square Feet
Standard Status Active
Sewer Public Sewer
Garage Spaces 0
Year Built 1941
New Construction false
Garage Y/N false
Other Structures No Storage Workshop
Patio/Porch Features Covered Screened
Architectural Style Cottage Craftsman
Stories Count 2
Levels Two
Property Subtype Single Family Detached
Full Baths 3
Carport Spaces 5
Carport Y/N true
Property Attached Y/N false
Waterfront Features Beach Access
Accessibility Handicapped Equipped
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Interior
Interior Amenities Elevator Walk-In Closet(s) Eat-in Kitchen Family Game Living/Dining Combo In-Law Floorplan
Air Conditioning Y/N false
Heating Y/N false
Total Bedrooms 6
Fireplace Y/N false
Half Baths 1
Room Type Eat-In-Kitchen Family Game Living/Dining Combo Mother-In-Law Suite
Primary Bedroom Features Walk-In Closet(s)
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Exterior
Lot Size Area 0.51
Lot Size Acres 0.51
Parking Features 5 Car Carport
Water Source Public
Foundation Details Raised
Building Area Total 3099
Covered Spaces 5
Exterior Amenities Elevator Shaft
Total Parking 5
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* Excluded Features
List By
Carolina One Real Estate

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$21,550
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Monthly Principal & Interest
$21,550
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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
4141306 Elementary School
2995638 Middle School
Lucy Beckham High School High School
Pricing History
DatePricePrice ChangeDescription
2/27/2026$3,500,000 -6.67% Price Down
2/19/2026$3,750,000 Listed Price

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2820 Ion Avenue, Sullivans Island, SC, 29482 is a Single Family Home for sale at $3,500,000 with 3,099 sqft and a lot size of 0.51. 2820 Ion Avenue has 6 bedrooms, 3.1 baths, and was built in 1941. The property's zip code is 29482 which is in Sullivans Island, SC