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Sullivans Island

Why you'd want to live in Sullivans Island

Sullivan's Island, historically known as O'Sullivan's Island, is a town and island in Charleston County, South Carolina, United States, at the entrance to Charleston Harbor, with a population of 1,791 at the 2010 census, and 1,891 people in 2020.

Sullivans Island Real Estate

Sullivans Island Market Report

$5,135,375

AVERAGE PRICE OF 28 HOMES

$6,094,631

AVERAGE PRICE OF 23 MULTI-MILLION DOLLAR HOMES

$8,921,250

AVERAGE PRICE OF 4 NEWLY BUILT HOMES

$6,372,917

AVERAGE PRICE OF 12 HOMES WITH A POOL

$4,300,000

AVERAGE PRICE OF 1 REDUCED PRICE HOMES

Average Home

Average Price $5,135,375
Avg Bedrooms 4.04 beds
Avg Bathrooms 4.32 baths

Average Price by Bedrooms

2 bedrooms $3,137,500
3 bedrooms $5,650,000
4 bedrooms $4,010,417
5 bedrooms $5,361,286
Sullivans Island Home Price Trends
  10/2025 9/2025 8/2025 7/2025 6/2025
Total Listings 29 30 30 34 34
Average Price $5,783,275 $5,746,528 $6,023,606 $6,251,421 $5,865,554
Avg Price Change +0.64% -4.82% -3.78% +6.58% +0.84%
Median Price $5,339,067 $5,297,813 $5,553,880 $5,960,715 $5,336,482
Med Price Change +0.78% -4.83% -7.33% +11.70% +3.29%
Avg Bedrooms 4.27 beds 4.21 beds 4.26 beds 4.16 beds 3.89 beds
Avg Bathrooms 4.65 baths 4.6 baths 4.71 baths 4.73 baths 4.31 baths
Home Price by High School
School Name Total Homes Average Price Avg Days on Site
Wando 25 $5,187,620 250 days
Total Homes Average Price Avg Days on Site
All Homes 28 $5,135,375 234 days
Multi-Million Dollar Homes 23 $6,094,631 145 days
Newly Built Homes 4 $8,921,250 122 days
Homes with a Pool 12 $6,372,917 126 days
Reduced Price Homes 1 $4,300,000 91 days
Better Homes and Gardens Real Estate - Palmetto
100 A Central Ave
Goose Creek, SC 29445
843-584-8326

Fair Housing/Equal Opportunity
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