Best beaches in Castro Urdiales

2 ranked beaches in Castro Urdiales, Cantabria

Ranked by the OnlyBeaches Index (OBI) — a 1-10 score blending water purity, conditions, crowd levels and vibe. Updated every 30 minutes.

All beaches in Castro Urdiales

1
Playa Brazomar
A sheltered town beach close to Castro Urdiales’ promenade and services.

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7.0

Playa de Ostende

Castro Urdiales’ main urban beach with strong local and visitor use.

7.0

What makes Castro Urdiales's beaches stand out?

Castro Urdiales sits in Cantabria, Spain and is home to 2 ranked beaches on OnlyBeaches. Every beach here is scored by the OnlyBeaches Index — a 1-10 metric blending water purity, live conditions (waves, water temperature, wind), crowd intelligence and vibe.

Whether you're after the highest-scoring beach in Castro Urdiales or a quieter hidden cove, the list above is refreshed every 30 minutes using live Stormglass and OpenWeather data.