Isle of Palms, SC vs Key Biscayne, FL: Cost of Living
Which city costs less?
Key Biscayne, FL has a modeled overall cost index 43.3% higher than Isle of Palms, SC.
- Isle of Palms, SC · modeled 2BR rent
- $2,680 / month
- Key Biscayne, FL · modeled 2BR rent
- $3,450 / month
These are saved estimates, not current rental listings. Some cities use adjusted regional data. Your household budget can differ from the overall index. Sources and assumptions
Adjust your income and compare the budget ↓Cost of Living Comparison 2026
Compare Isle of Palms, SC and Key Biscayne, FL using saved regional data and explicit budgeting assumptions. Rent estimates are not live listings. Change the salary below, then check the source notes before applying a result to your household.
Saved regional estimates · Sources and assumptions
Estimated extra cost: $2,957/month in Key Biscayne, FL
$150,000 in your current city has a modeled equivalent of $185,480 in Key Biscayne, FL
Assumes 60% of current gross income goes to living costs. The headline uses the category budget below; taxes, moving costs and savings goals are excluded.
Isle of Palms, SC
Key Biscayne, FL
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Plan my move with the free checklistIsle of Palms, SC
The Palmetto State
Located in South Carolina, this city has a population of 4K residents.
Key Biscayne, FL
The Sunshine State
Located in Florida, this city has a population of 14K residents.
💡 Advantage: Florida has no state income tax!
Cost Breakdown by Category
Estimated monthly spending: Isle of Palms, SC vs Key Biscayne, FL
Assumes 60% of your current gross income is spent on these categories. The headline and totals use this same budget. Rent estimates below are separate reference data. Rounded amounts may differ by $1.
| Category | Isle of Palms, SC | Key Biscayne, FL | Difference | Change |
|---|---|---|---|---|
Housing | $2,119/mo | $3,796/mo | ↑ $1,677more | 79.1% |
Other | $1,713/mo | $2,392/mo | ↑ $679more | 39.6% |
Transportation | $1,282/mo | $1,671/mo | ↑ $389more | 30.4% |
Groceries | $1,101/mo | $1,282/mo | ↑ $181more | 16.5% |
All Utilities | $596/mo | $617/mo | ↑ $21.11more | 3.5% |
Healthcare | $690/mo | $699/mo | ↑ $9.72more | 1.4% |
🏠Rent Comparison
1BR range: $2,440–$2,440/mo
1BR range: $2,820–$2,820/mo
💡 Note: HUD Fair Market Rents estimate 40th-percentile gross rents, including most tenant-paid utilities. City ZIP summaries are medians of those estimates, not market median rents. Actual prices vary by neighborhood, amenities, and condition. Source: HUD Small Area Fair Market Rents FY2026.
Home Values
Homes in Key Biscayne are 3% more expensive than Isle of Palms
Source: Zillow Home Value Index (ZHVI), January 2026
Tax Comparison
Annual tax burden comparison at $150.0K salary
Isle of Palms, SC
Key Biscayne, FL
Additional Tax Information
Isle of Palms, SC Tax Rates
Key Biscayne, FL Tax Rates
💡 Note: Tax calculations are estimates based on 2024/2025 tax brackets for single filers with standard deduction. Actual taxes may vary based on filing status, deductions, credits, and local variations.
Environment
Before moving from Isle of Palms, SC to Key Biscayne, FL
Use this comparison to shortlist a move, then check the costs that depend on your household.
- Compare actual homes. Get current quotes in Key Biscayne, FL for the same bedroom count and included utilities as your home in Isle of Palms, SC. Add parking, deposits, insurance and any overlapping leases. The rent estimates above are a starting point, not available listings.
- Confirm your income. Check your expected pay with your employer, including any location adjustment. Use “Different salary at destination?” above to compare two incomes. The budget model excludes taxes and one-time moving costs; it is not a take-home-pay calculation.
- Price your daily routine. Check the commute from a specific address to work, school or childcare. Add household expenses missing from this model, such as childcare, debt payments and medical needs. Verify local services before signing a lease.
- Plan the transition. Get moving quotes and budget for travel, setup costs and time off. Open your Isle of Palms to Key Biscayne moving checklist to organize the tasks and timing.
Still choosing a destination? Explore cities similar to Key Biscayne, FL by cost, housing, population and region.
Frequently Asked Questions: Isle of Palms, SC vs Key Biscayne, FL
How do the cost estimates for Isle of Palms, SC and Key Biscayne, FL compare?
What does the equivalent salary mean?
What rent estimates are available for Isle of Palms, SC and Key Biscayne, FL?
How should I use this comparison before moving?
💰 See how taxes change too — compare take-home pay between South Carolina and Florida on TaxTakeHome.com
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