Playa del Lastrón
Playa del Lastrón is a well-known naturist beach in Biscay, Spain. The sea is warmest in August at about 22°C (71°F) and coolest in February (13°C (55°F)). Average air temperatures peak in August at 21°C (70°F), and the best time to visit is July to August. EU monitoring rated the bathing water "Excellent" in 2025. There are 8 other naturist places within 50 km (31 mi), the closest being Gorrondatxe (8.3 km (5.2 mi)).
Weather and water temperature at Playa del Lastrón
Tap a month. Averages: air 2001–2025 (NASA POWER), sea 1991–2020 (NOAA OISST).
| Month | Air | Sea | Rain |
|---|---|---|---|
| January | 10°C | 13°C | 126 mm |
| February | 10°C | 13°C | 97 mm |
| March | 11°C | 13°C | 94 mm |
| April | 13°C | 13°C | 80 mm |
| May | 15°C | 15°C | 64 mm |
| June | 18°C | 18°C | 56 mm |
| July (best) | 20°C | 21°C | 35 mm |
| August (best) | 21°C | 22°C | 36 mm |
| September | 20°C | 20°C | 53 mm |
| October | 17°C | 18°C | 95 mm |
| November | 13°C | 16°C | 146 mm |
| December | 11°C | 14°C | 120 mm |
Not sure what the numbers mean? Here is how warm is warm enough to swim.
Visiting
- Bathing water profile: PLAYA LA ARENA - ZIERBENA PM1
- Coordinates: 43.35422, -3.11288 · 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 Playa del Lastrón
- 1Gorrondatxe nude beach · Biscay · best July to AugustClothing optionalSea 22°C in August
- 2Barinatxe nude beach · Biscay · best July to AugustClothing optionalSea 22°C in August
- 3Meñakoz nude beach · Biscay · best July to AugustClothing optionalSea 22°C in August
- 4Muriola nude beach · Biscay · best July to AugustClothing optionalSea 22°C in August
- 5Playa de Arenillas nude beach · Cantabria · best July to AugustListedSea 22°C in August
- 6Arenal de Sonabia nude beach · Cantabria · best July to AugustCustomarySea 22°C in August
- 7Playa de Tregandín nude beach · Cantabria · best AugustListedSea 22°C in August
- 8Antzora nude beach · Biscay · best July to AugustClothing optionalSea 22°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 Playa del Lastrón clothing optional?
Playa del Lastrón is listed as "known naturist place" according to Wikipedia/Wikidata naturism listings. 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 Playa del Lastrón?
Based on 2001–2025 climate averages (NASA POWER), the most comfortable months are July to August. July averages 20°C (69°F) and January 10°C (50°F).
How warm is the water at Playa del Lastrón?
Long-term sea surface temperatures (NOAA OISST, 1991–2020) range from 13°C (55°F) to 22°C (71°F) in August. Water at the shore can be a few degrees different.
Is the water clean at Playa del Lastrón?
The nearest EU-monitored bathing site (PLAYA LA ARENA - ZIERBENA PM1) was rated "Excellent" for the 2025 season under the EU Bathing Water Directive.
What other naturist places are near Playa del Lastrón?
The closest are Gorrondatxe (8.3 km (5.2 mi)), Barinatxe (9.2 km (5.7 mi)) and Meñakoz (11 km (7 mi)).
Sources
Status from Wikipedia/Wikidata naturism listings. Not yet verified against an official source; local rules may have changed. Data updated 2026-10-31. Wikidata Q118519819 · All data sources and licenses.