Seabrook Island, SC vs Summerton, SC

The cost of living difference between Seabrook Island, SC and Summerton, SC is dramatic. Summerton is 284.3% cheaper than Seabrook Island, a gap that translates to thousands of dollars per year in household expenses. Seabrook Island has a cost index of 215 while Summerton sits at 56, making this one of the more striking comparisons on our site. Relocating between these cities would require a serious reassessment of budget and lifestyle expectations.

On the housing front, median rent in Seabrook Island is $3,501/month compared to $355/month in Summerton — a 886% difference. Home values follow the same pattern: Summerton is more affordable at $153,100 median vs $899,600.

Median household income in Seabrook Island is $124,519 compared to $35,893 in Summerton (+246.9%). The higher salaries in Seabrook Island partially offset the cost difference, but don't fully close the gap. Looking at affordability, residents of Seabrook Island spend roughly 33.7% of their income on rent, more than the 11.9% in Summerton. The Summerton ratio exceeds the commonly recommended 30% threshold, which can put pressure on household budgets.

Climate-wise, both cities share similar average temperatures (67.2°F vs 65°F). Seabrook Island receives more rainfall at 44.3" per year compared to 43.7" in Summerton.