2820 Ion Avenue, Sullivans Island, SC 29482 MLS #25020715 Home Real Estate Charleston Sullivans Island 29482 2820 Ion Avenue Share Ask Realtor Saving Save Saved2820 Ion Avenue | #25020715 Under Contract - $3,500,000Sullivans Island, SC 29482 2820 Ion Avenue | #25020715 Under Contract - $3,500,000 Share Ask Realtor Saving Save Saved MLS ID: 25020715 Under Contract - $3,500,000 About this property Bedrooms 6 Baths 3 Half Baths 1 sq2 3099 Lot Size 0.5100 acres Year Built 1941 DOM 430AddressAddress:2820 Ion AvenueCity: Sullivans IslandZip Code: 29482County: CharlestonState: SCFeatures and Amenities #homes with elevator #elevator shaftExterior Elevator ShaftInterior Features Elevator, Walk-In Closet(s), Eat-in Kitchen, Family, Game, Living/Dining Combo, In-Law FloorplanStyle Cottage, CraftsmanOther Beach Access, Handicapped Equipped, Walk-In Closet(s), 5 Car Carport, Carport Show all features Description 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.Schools PK-5 SPED Name Address Phone Type Grade Sullivan's Island Elementary 2014 Mike Perkis Place 8438833118 Public PK-5 SPED All Neighborhoods in Sullivans Island ABCDEFGHIJKLMNOPQRSTUVWXYZ subdivision Active Listings Avg Days on Market Avg DoM Avg Price A ABCDEFGHIJKLMNOPQRSTUVWXYZ marshall reservation , Sullivans Island 3403$4,600,833 S sullivans island , Sullivans Island 24381$6,592,996 Price Change history $3,750,000 $1,210/SqFt 28, Jul. 2025 $3,500,000 $1,129/SqFt 27, Feb. 2026 Mortgage Calculator Price: $ Down Payment: $ % Term(*in years): Interest Rate in %: % Interest Rate as of: Thu, Oct. 01, 2026 $3,500,000Home Price $3,500,000Monthly payment $3,500,000Amount Financed $3,500,000Annual cost of Loan Get Approved Map SEE THIS PROPERTY James Schiller Realtor, Brand Name Real Estate Email: [email protected] Live Chat: Reviews Your Email: Your Name: Phone: Subject: I WANT TO VIEW THIS PROPERTYI'D LIKE TO MAKE AN OFFERWHAT ARE THE FEES?ASK A QUESTION Message: Send Suggested Listings Previus Next ©2026 CTMLS, GGMLS, CCMLS & CMLSThe information is provided exclusively for consumers’ personal, non-commercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, and that the data is deemed reliable but is not guaranteed accurate by the MLS boards of the SC Realtors. Listing Provided by Carolina One Real Estate 2820 Ion Avenue, Sullivans Island, SC, 29482 MLS: #25020715 $3,500,000 Share Contact Realtor Saving Save Saved