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Grand Isle
City in Louisiana, United States
Overview
Grand Isle is Louisiana's only inhabited barrier island, revered for its sandy beaches, world-class fishing, and relaxed coastal charm. With fewer than 400 residents, it serves as both a quaint village and a gateway to the Gulf of Mexico's natural beauty.
Geographic Context
Jurisdiction
United States
State
Louisiana
Population
366
Time Zone
America/Chicago
Coordinates
29.24°, -89.99°
Key Metrics
Safety Score
55
Female Safety
45
LGBTQ+ Safety
35
Traffic Safety
60
Food Safety
80
Monthly Cost
$1,895
Local Cost
$1,270
Local Income
$2,200
Cashless
35
English
100
Temperature
22.9°C
Summer Avg
28.8°C
Winter Avg
16.4°C
Record High
32.7°C
Record Low
1.5°C
Humidity
78%
Precipitation
1591 mm
Internet Speed
151 Mbps
Upload
156 Mbps
Latency
7 ms
City Vibrancy
3
Coworking
0
Cafes
0
Nightlife
0
Parks
3
Explore
Frequently Asked Questions
Data sources
Source-backed data
NASA POWER - Climate normals and monthly weather measurements rendered as city weather metrics. Updated 2026-03-23.
World Air Quality Index - Latest available city-level air quality station measurement. Updated 2025-12-05.
Ookla Open Data - Internet speed aggregates for 2024Q3 from 5 tests. Updated 2025-12-05.
OpenStreetMap - Nearby amenities counted from OpenStreetMap-derived city extracts. Updated 2025-12-08.
Oyster List city price model - City price estimates calibrated from local price surveys and jurisdiction-level cost signals. Updated 2026-01-14.
Estimated data
Oyster List AI-assisted estimates - Safety, lifestyle, income, and practical scores are model-assisted estimates derived from source-backed country and city signals. Confidence 70/100.
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