BeachFinder app logoBeachFinder180,000+ swim spots worldwide
Back to site
ES-N - ES

Ondarreta

5.0/51 review
Add a reviewUpload a photoReviews and photos are shared with the BeachFinder app.

Shared BeachFinder spot: compare live conditions, water temperature, wind, UV, waves, currents, amenities and nearby alternatives before you leave.

Type
Beach
Rating
5.0 / 5
Flag
Local spot
Lifeguard
Check locally
sand Dogs
Quick answer

Quick answer: Ondarreta today

Ondarreta is a BeachFinder spot in ES-N, ES. Today, compare water temperature 24°C, wind 31 km/h · W, uv 7.8, waves 0.4 m, water quality Check official advisories before leaving. BeachFinder Score: 71/100. Always check official flags, closures and lifeguard advice before swimming.

Water temperature
24°C
Wind
31 km/h · W
UV
7.8
Waves
0.4 m
Water quality
Check official advisories
Last updated: Jun 25, 12:00 AM local forecast timeBeachFinder Score: 71/100

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.

Help improve this beach page

Add a visitor note or a real photo. Contributions go to BeachFinder moderation before they appear on the public page or in the app.

Add a visitor review

Upload a real beach photo

Photos and reviews are checked before publication. Do not upload private people, license plates or copyrighted material.

Live conditions on the site

Surfers can check wind, wave height, currents and surf cues here before opening the full BeachFinder app.

Updated: Jun 25, 12:00 AM
Water temp
24°C
Air temp
25°C
Feels like
28°C
UV index
7.8
Wind
31 km/h · W
Gust 43 km/h
Waves
0.4 m
Current
1 km/h · NW
Parking
...
Shower
...
Accessible access
...
Toilets
...
Restaurants
...
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

Before you go

Conditions

Compare water temperature, air temperature, feels-like temperature, UV index, wind, waves and currents. Surf-focused data appears when a marine model covers the spot.

Amenities

BeachFinder checks parking, showers, toilets, accessible places and restaurants around the spot with OpenStreetMap and shows them in the counters and map.