Castelsardo
City in Sardinia, Italy
Overview
Castelsardo is a charming medieval town perched atop a promontory on the north coast of Sardinia. With its winding streets, historic castle, and panoramic views of the Gulf of Asinara, it's a perfect blend of culture, tradition, and seaside beauty.
Geographic Context
Jurisdiction
Italy
Autonomous Region
Sardinia
Population
5,656
Time Zone
Europe/Rome
Coordinates
40.91°, 8.71°
Key Metrics
Safety Score · estimate
87
Female Safety
80
LGBTQ+ Safety
60
Traffic Safety
85
Food Safety
95
Monthly Cost · estimate
$1,795
Local Cost
$1,060
Local Income
$1,200
Cashless
60
English
40
Temperature
17.1°C
Summer Avg
23.7°C
Winter Avg
11.1°C
Record High
36.5°C
Record Low
2.3°C
Humidity
75%
Precipitation
571 mm
Internet Speed
109 Mbps
Upload
23 Mbps
Latency
28 ms
City Vibrancy
19
Coworking
0
Cafes
14
Nightlife
1
Parks
4
Transport
96
Walk Score
96
Footways
192.0
Airport
AHO
Distance
47 km
Explore
Data sources
Source-backed data
World Air Quality Index - Latest available city-level air quality station measurement. Record updated 2025-12-05.
OpenStreetMap - Nearby amenities counted from OpenStreetMap-derived city extracts. Record updated 2025-12-07.
OpenStreetMap transport extract - Walkability, footway density, and airport access metrics derived from mapped transport features. Record updated 2025-12-06.
Estimates and unverified origins
Oyster List climate data - Climate origins are unverified. Available methods include historical APIs and AI estimates; stored rows do not identify the original dataset, reference period, or model for each value. Treat these summaries as estimates until independently verified. Record updated 2026-03-22.
Oyster List city price estimates - Price origins are unverified. Available generation methods include AI estimates; stored records do not identify a survey, observation period, or model for each price. Record updated 2026-01-14.
Oyster List AI-assisted estimates - Safety, lifestyle, income, and practical scores include model-assisted estimates. Stored records do not identify supporting observations for each score. Model-reported confidence: 74/100; this is not a measured accuracy score. Model: derived+gpt-4.1. Record updated 2026-03-26.