Which beach should I pick?
In September, Portmarnock averages 15.0°C and Portrane Beach averages 15.0°C. The two beaches are 8 km apart on the Irish Sea.
Both beaches are family-friendly with calm, accessible water.
Portmarnock vs Portrane Beach
Side-by-side sea temperature, swim score and wave conditions. The two beaches sit roughly 8 km apart.