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Portmarnock
City in Leinster, Ireland
Overview
Portmarnock is a charming seaside suburb north of Dublin, renowned for its stunning beach, relaxed residential vibe, and world-class golf club. With easy transport links to the capital, Portmarnock offers tranquility, natural beauty, and authentic local life.
Geographic Context
Jurisdiction
Ireland
Province
Leinster
Population
9,285
Time Zone
Europe/Dublin
Coordinates
53.42°, -6.14°
Key Metrics
Safety Score · estimate
88
Female Safety
87
LGBTQ+ Safety
90
Traffic Safety
85
Food Safety
99
Monthly Cost · estimate
$3,090
Local Cost
$2,060
Local Income
$3,200
Cashless
92
English
100
Temperature
10.0°C
Summer Avg
14.6°C
Winter Avg
6.0°C
Record High
24.3°C
Record Low
-2.2°C
Humidity
88%
Precipitation
982 mm
Internet Speed
225 Mbps
Upload
39 Mbps
Latency
12 ms
City Vibrancy
34
Coworking
0
Cafes
2
Nightlife
2
Parks
30
Transport
46
Walk Score
46
Footways
92.0
Airport
DUB
Distance
9 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: 80/100; this is not a measured accuracy score. Model: derived+gpt-4.1. Record updated 2026-03-26.
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