Cala del Castell
Cala del Castell is a clothing-optional beach in Barcelona, Spain. The sea is warmest in August at about 25°C (77°F) and coolest in February (13°C (55°F)). Average air temperatures peak in August at 24°C (76°F), and the best time to visit is June to September. EU monitoring rated the bathing water "Excellent" in 2025. There are 8 other naturist places within 50 km (31 mi), the closest being Platja de Sant Simó (0.6 km (0.4 mi)).
Weather and water temperature at Cala del Castell
Tap a month. Averages: air 2001–2025 (NASA POWER), sea 1991–2020 (NOAA OISST).
| Month | Air | Sea | Rain |
|---|---|---|---|
| January | 10°C | 13°C | 47 mm |
| February | 10°C | 13°C | 42 mm |
| March | 12°C | 13°C | 57 mm |
| April | 14°C | 14°C | 67 mm |
| May | 17°C | 17°C | 64 mm |
| June (best) | 21°C | 20°C | 39 mm |
| July (best) | 24°C | 23°C | 44 mm |
| August (best) | 24°C | 25°C | 56 mm |
| September (best) | 22°C | 23°C | 76 mm |
| October | 18°C | 20°C | 93 mm |
| November | 14°C | 17°C | 68 mm |
| December | 10°C | 15°C | 36 mm |
Not sure what the numbers mean? Here is how warm is warm enough to swim.
Visiting
- Bathing water profile: PLAYA DE SANT SIM? PM1
- Coordinates: 41.54529, 2.46739 · OpenStreetMap
- Local law: is public nudity legal in Spain?
- Before you go, read our nude beach etiquette guide.
- First time? Read our guide to your first time at a nude beach.
Naturist places near Cala del Castell
- 1Platja de Sant Simó nude beach · Barcelona · best June to SeptemberCustomarySea 25°C in August
- 2Platja de la Musclera nude beach · Barcelona · best June to SeptemberCustomarySea 25°C in August
- 3Platja de la Picòrdia nude beach · Barcelona · best June to SeptemberClothing optionalSea 25°C in August
- 4Platja de Ponent nude beach · Barcelona · best June to SeptemberClothing optionalSea 25°C in August
- 5Platja de Ponent (Premià de Mar) nude beach · Barcelona · best June to SeptemberClothing optionalSea 25°C in August
- 6Platja de la Murtra nude beach · Barcelona · best June to SeptemberCustomarySea 25°C in August
- 7Platja de la Roca Grossa nude beach · Barcelona · best June to SeptemberClothing optionalSea 25°C in August
- 8Cala de la Vinyeta nude beach · Barcelona · best June to SeptemberClothing optionalSea 25°C in August
Status labels: Official · Naturist only · Clothing optional · Tolerated · Customary · Listed · Prohibited · Closed. Statuses come from open data and are not yet verified in person.
Frequently asked questions
Is Cala del Castell clothing optional?
Cala del Castell is listed as "clothing optional" according to OpenStreetMap (nudism=allowed). Rules can change, and clothing-optional zones are often only part of a beach, so look for signs on arrival and follow local rules. NudistMap has not yet verified this status in person. You can check what applies in Spain before you go.
When is the best time to visit Cala del Castell?
Based on 2001–2025 climate averages (NASA POWER), the most comfortable months are June to September. July averages 24°C (75°F) and January 10°C (49°F).
How warm is the water at Cala del Castell?
Long-term sea surface temperatures (NOAA OISST, 1991–2020) range from 13°C (55°F) to 25°C (77°F) in August. Water at the shore can be a few degrees different.
Is the water clean at Cala del Castell?
The nearest EU-monitored bathing site (PLAYA DE SANT SIM? PM1) was rated "Excellent" for the 2025 season under the EU Bathing Water Directive.
What other naturist places are near Cala del Castell?
The closest are Platja de Sant Simó (0.6 km (0.4 mi)), Platja de la Musclera (6.5 km (4 mi)) and Platja de la Picòrdia (6.8 km (4.2 mi)).
Sources
Status from OpenStreetMap (nudism=allowed). Not yet verified against an official source; local rules may have changed. Data updated 2026-10-31. All data sources and licenses. © OpenStreetMap contributors.