Kiawah Island vs Seabrook Island: home prices and housing costs
The typical home on Kiawah Island is worth $2,224,970, about 2.1 times the typical value on Seabrook Island ($1,049,067), according to Zillow (Sep 2026). Homes that sold in Jul–Sep 2026 went for a median $969,538 on Kiawah Island and $1,154,450 on Seabrook Island, and took a median 44 and 68 days to go under contract (Redfin). At today's 7.40% 30-year rate, the monthly payment on the typical home is about $12,324 on Kiawah Island and $5,811 on Seabrook Island, with 20% down and before taxes and insurance.
What you're looking at: Zillow (home values, asking rent), Redfin (sales, Jul–Sep 2026) and the Census Bureau (income, rent, ownership) · town limits · all home types
Which market is hotter?
Side by side
| Measure | Kiawah Island | Seabrook Island |
|---|---|---|
| Typical home valueZillow, Sep 2026 | $2,224,970 | $1,049,067 |
| Change in value, 1 yearZillow | +11.8% | +6.5% |
| Median sale priceRedfin, Jul–Sep 2026, all home types | $969,538 | $1,154,450 |
| Homes soldRedfin, Jul–Sep 2026 | 37 | 45 |
| Days on marketRedfin, median | 44 | 68 |
| Months of supplyRedfin | 2.7 | 4.7 |
| Asking rentZillow, monthly | — | — |
| Median gross rentCensus, 2020–2024, includes utilities | — | $3,500 |
| Median household incomeCensus, 2020–2024 | $213,594 | $127,500 |
| Monthly paymentPrincipal and interest at 7.40%, 20% down | $12,324 | $5,811 |
| Payment as a share of local incomeBefore taxes and insurance | 69% | 55% |
| Home value ÷ household incomeZillow ÷ Census | 10.4× | 8.2× |
| Owner-occupied homesCensus, 2020–2024 | 99% | 96% |
| Occupied homesCensus, 2020–2024 | 1,211 | 1,250 |
Sources: Zillow Home Value Index and Observed Rent Index; Redfin, a national real estate brokerage, 3-month rolling; U.S. Census Bureau ACS 5-year. Payment excludes taxes, insurance, HOA and mortgage insurance. These are typical figures for each town, not an estimate for any one home.