Is Ondarreta good for swimming?
Ondarreta has BeachFinder Score: 64/100. Use this as a planning signal only, then check local flags, lifeguards, closures and beach conditions.
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ES-N - ES
Ondarreta
5.0/51 review
Shared BeachFinder spot: compare live conditions, water temperature, wind, UV, waves, currents, amenities and nearby alternatives before you leave.
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Quick answer
Quick answer: Ondarreta
Ondarreta is a BeachFinder spot in ES-N, ES., compare water quality Check official advisories before leaving. BeachFinder Score: 64/100. Always check official flags, closures and lifeguard advice before swimming. Live conditions are not currently available.
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Live conditions are not currently available.BeachFinder Score: 64/100
Sources: Open-Meteo weather and marine forecasts, OpenStreetMap place context and BeachFinder spot data.
This is planning information, not a safety clearance. Conditions can change quickly.
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Live conditions on the site
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Weather and marine data: Open-Meteo
Ondarreta
Ondarreta extends along the Basque coast of Spain, in the Gipuzkoa region, a short distance from San Sebastián. This stretch of Atlantic coastline, characterized by limestone cliffs plunging towards the ocean, borders a semi-enclosed bay where Atlantic currents temper the waters. The shore, shaped by tides and winter storms, offers a succession of coves and small beaches that dot this rocky and rugged coastline. The beach itself consists of a strip of fine sand, narrow but well-defined, bordered by rocks that structure the space and offer natural shelter to visitors. At low tide, the sand widens and reveals rocky areas ideal for exploration. Unlike Kontxa hondartza, located 0.8 km to the northwest and more exposed to waves, Ondarreta benefits from relative protection, making it a refuge on days of strong swell. Cala de Santa Clara, just 0.4 km away, shares similar geology but remains less frequented, while Plage ES-N, 0.1 km away, is practically a natural extension of the site. Access to the site is permitted and relatively easy. No specialized facilities are present on site. Dogs are not allowed. The beach does not have Blue Flag status and is not supervised, implying full personal responsibility for safety at sea. The lack of facilities for people with reduced mobility reflects the natural and undeveloped character of this section of the Basque coast.
About this spot
Ondarreta derives its name from the Basque "onda" (wave) and "rrata" (place), literally "the place of waves"—a designation that perfectly summarizes the coastal dynamics of this area. Geologically, the bay is part of the Pyrenean Atlantic arc, where limestones and sandstones regularly emerge, shaped by millions of years of marine erosion. This beach, though modest in size, embodies the raw character of the Basque coast, less tamed than the large urban beaches nearby. Residents of San Sebastián come here for a breath of fresh air away from the summer crowds, especially during transitional periods between seasons, when Atlantic conditions remain accessible but tourist numbers subside.
Updated 5/9/2026
Frequently asked questions
What is the water temperature at Ondarreta?
Check marine coverage. Marine temperature is shown when forecast coverage is available for this location.
How windy is Ondarreta?
Check forecast. Wind can change comfort and surface conditions, especially on exposed beaches.
What should I check before swimming at Ondarreta?
Check official safety flags, lifeguard advice, closures, water-quality advisories, UV, wind, waves and currents before entering the water.
Before you go
Conditions
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