Sullivans Island, SC Utility & Living Guide

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Tier 3 Location

Sullivans Island, SC Utility & Living Guide

Living in Sullivans Island offers a serene coastal lifestyle with historic charm and beautiful beaches.

Last updated: June 25, 2026
Total Utilities$255/mo
1BR Rent$1200/mo
Sales Tax9%
COL Index105 (+5% above national average)
Family Score6/10
Median Home$1,200,000
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⚠️ Natural Hazard History — Sullivans Island
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💰 Budget Calculator
🔌 Utilities
🏠 Housing
📊 Cost of Living
💰 Taxes
👨‍👩‍👧 Families
🧮 Tools

Monthly Utility Costs

⚡ Electric

$120/mo

Dominion Energy
🔥 Gas

N/A - Electric only
💧 Water

$45/mo

Charleston Water System
🗑️ Garbage

$25/mo

Charleston County Environmental Management
📶 Internet

$65/mo

Combined Average Overhead $255/month

Housing Market

Rent & Property
1 Bedroom$1200/mo
2 Bedrooms$1600/mo
3 Bedrooms$2100/mo
Median Home Price$1,200,000
Property Tax Rate0.57%
Avg Childcare/mo$1000

Sullivans Island has a high-end housing market with historic homes and beachfront properties. Prices are significantly above national averages due to its desirable location.

Cost of Living

Overall COL Index

105

US national avg = 100
vs National Avg

+5% above national average

Groceries

102

Transportation

98

Healthcare

100

Childcare/mo

$1000

Tax Rates

Tax Overview
Total Sales Tax9%
Property Tax Rate0.57%
<p>State 6% + County 1% + Local 2%</p>

South Carolina has a progressive income tax rate ranging from 0% to 7%.

Family & Relocation

Family Vibe Score
6/10
Safety Index

50

Higher = safer
School Rating

6.5/10

GreatSchools avg
Avg Childcare

$1000/mo

City Pulse

Population Trend
+2% (growing)
Political Climate
Purple (mixed Republican and Democratic leanings)
Business Momentum
Moderate with key industries in tourism, real estate, and hospitality
Top Local Concerns
Beach erosion, rising property taxes, short-term rental regulations
🚌 Transit for Families

Limited public transit; car-dependent but sidewalks are well-maintained in most areas.

🎡 Top Kid Attractions
  • 🎯
    Sullivans Island Beach
  • 🎯
    Fort Moultrie
  • 🎯
    Poe's Tavern

Household Budget Calculator

Estimate your real monthly cost of living in Sullivans Island based on your household profile.

Local Briefing & Neighborhood Pulse

Live Local News

Short-term rental regulations, beach access rules, and historic preservation guidelines are key local rules for residents.

Sullivans Island is seeing increased demand for vacation homes. Property values continue to rise due to limited inventory and high demand.

Financial Tools

Calculators
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📊 Sullivans Island — Census & Demographic Data

Official data from the US Census Bureau, American Community Survey.

☀️ Seasonal Utility Costs

Utility costs peak in summer due to high AC usage. Winter costs are lower but can spike during cold snaps.

🏛️ Local Tax Details

Key ZIP code level tax info: property tax millage rates, any local surtaxes specific to Sullivans Island county

👶 Family & Stroller Friendliness

Score 7/10: Good sidewalk quality, limited park access, no elevator access in transit, family infrastructure is average.

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