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2820 Ion Avenue, 
Sullivans Island, SC 29482

$3,500,000


6

Beds


4

Baths


3,099

Sq Ft


Single Family

Active

Listed by

Alex Brener

Carolina One Real Estate

Last updated:

May 20, 2026, 03:05 PM

MLS#

25020715

Source:

MI NGLRMLS

About This Home

2820 Ion Avenue

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.

Home Facts

Single Family

4 Baths

6 Bedrooms

Built in 1941

Price Summary

3,500,000

$1,129 per Sq. Ft.

MLS #:

25020715

Last Updated:

May 20, 2026, 03:05 PM


Rooms & Interior

Bedrooms

Total Bedrooms:

6

Bathrooms

Total Bathrooms:

4

Full Bathrooms:

3

Interior

Living Area:

3,099 Sq. Ft.


Structure

Structure

Architectural Style:

Cottage, Craftsman

Building Area:

3,099 Sq. Ft.

Year Built:

1941


Lot

Lot Size (Sq. Ft):

22,215


Finances & Disclosures

Finances

Price:

$3,500,000

Price per Sq. Ft:

$1,129 per Sq. Ft.

Source:MI NGLRMLS
The information being provided by Northern Great Lakes REALTORS® Mls is for the consumer’s personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The information is deemed reliable but not guaranteed and should therefore be independently verified. © 2026 Northern Great Lakes REALTORS® Mls All rights reserved.

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Contact an Agent

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Contact, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If a Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby's International Realty®). I acknowledge that I have read and agree to the terms of use and privacy notice.