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Laurel Bay, SC vs Sullivan's Island, SC

93
Laurel Bay
South Carolina
VS
-65.7%
272
Sullivan's Island
South Carolina

The cost of living difference between Laurel Bay, SC and Sullivan's Island, SC is dramatic. Laurel Bay is 65.7% cheaper than Sullivan's Island, a gap that translates to thousands of dollars per year in household expenses. Laurel Bay has a cost index of 93 while Sullivan's Island sits at 272, 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 Laurel Bay is $1,375/month compared to $2,402/month in Sullivan's Island — a 43% difference. Home values follow the same pattern: Laurel Bay is more affordable at $221,300 median vs $2,000,001.

Median household income in Laurel Bay is $52,094 compared to $179,614 in Sullivan's Island (-71%). While Sullivan's Island is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Laurel Bay spend roughly 31.7% of their income on rent, more than the 16% in Sullivan's Island. The Sullivan's Island 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 67.2°F). Laurel Bay receives more rainfall at 45" per year compared to 44.3" in Sullivan's Island.

Income & Cost

Cost of Living Index
Laurel Bay
93
66% cheaper
Sullivan's Island
272
Median Household Income
Laurel Bay
$52,094
Sullivan's Island
$179,614
71% higher

Housing

Median Rent
Laurel Bay
$1,375
43% cheaper
Sullivan's Island
$2,402
Median Home Value
Laurel Bay
$221,300
89% cheaper
Sullivan's Island
$2,000,001
Population
Laurel Bay
5,627
Sullivan's Island
2,127

Salary Equivalency Calculator

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Everyday Prices

BLS Average Prices by metro area

Gasoline (regular)
Laurel Bay $2.94
Sullivan's Island $2.94
US $3.07
🥚
Eggs (grade A, large)
Laurel Bay $2.40
Sullivan's Island $2.40
US $2.50
🥛
Milk (whole)
Laurel Bay $3.86
Sullivan's Island $3.86
US $4.03
🍞
Bread (white)
Laurel Bay $1.78
Sullivan's Island $1.78
US $1.85
🍗
Chicken breast
Laurel Bay $3.97
Sullivan's Island $3.97
US $4.14
Electricity
Laurel Bay $0.16
Sullivan's Island $0.16
US $0.19

Climate

NOAA 30-year normals (1991-2020)

Avg Temp
Laurel Bay 67.2°F
Sullivan's Island 67.2°F
Summer High
Laurel Bay 92°F
Sullivan's Island 88°F
Winter Low
Laurel Bay 40°F
Sullivan's Island 44°F
Rainfall
Laurel Bay 45"
Sullivan's Island 44.3"
Rainy Days
Laurel Bay 118d
Sullivan's Island 102d