Are You Visiting San Sebastián in August? We’ve got everything you need to know to make the most of your trip.
August in San Sebastián means live music in the park, big street festivals, and lazy afternoons by the sea. Whether you’re here for the famous Semana Grande celebrations (Aug 9–16), the open-air music fest at Cristina Enea (Aug 3), or just want to explore the city like a local — we’ve got you covered.. Here’s your Eat One Feed One-approved guide to making the most of August in the city.
Glad Is the Day #9 – Music Festival in the Park
📍 Cristina Enea Park
🗓 August 3rd, 12:00–21:00
💸 Free entry
One of San Sebastián’s most relaxed, vibrant summer music events. Picture this: lounging under the trees in a city park while 15+ bands and DJs deliver everything from indie rock to electronic and hip-hop.
Don’t miss: Local favorites like Hidrogenesse and Peachy Joke are on stage, and the vibes continue late into the night at Le Bukowski bar and the Dabadaba nightclub.
Kantujira – Sing Through the Streets
📍 Loiola District
🗓 August 3rd, 12:30
🎶 Language: Euskera
Join the Loiola neighbourhood festival, this is a beautiful, spontaneous way to feel the heart of Basque culture. Locals gather to walk the streets singing traditional songs together. Even if you don’t speak Euskera, connect through music, come for the spirit, and the community feel.
Semana Grande – San Sebastian’s Biggest Party
🗓 August 9–16
📍 Across the city
💃 Fireworks, concerts, parades & more
This is THE week to be in San Sebastián. A full-on city celebration known as Aste Nagusia, with nightly fireworks over La Concha Bay, live concerts at Sagüés beach, and celebrations spilling into every street.
From August 9th to 16th, you can enjoy a live concert every night, starting at 11:45 PM at Sagüés.
Here’s the 2025 Sagüés concert lineup:
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August 9 – Morodo
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August 10 – Vicco
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August 11 – OBK
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August 12 – J Martina + Dupla
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August 13 – Sexy Zebras
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August 14 – Janus Lester
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August 15 – Marlon
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August 16 – Leire Martínez
Check out the full Semana Grande 2025 program at: astenagusia.donostiakultura.eus
Pro tip: Get your fireworks spot early. Head to the La Concha beach or Miramar palace gardens at least 1 hour before the fireworks begin

“Cabezudos” in semana grande of San Sebastian
Feria del Libro Antiguo y de Ocasión
📍 Plaza Gipuzkoa
🗓 August 22 – September 7
⏰ 11:00–14:00 / 17:00–20:30
Love vintage treasures and local culture? This open-air book fair is full of character: rare books, vinyl, postcards, comics, and more. A perfect slow afternoon plan in the shade of one of the city’s prettiest plazas.
Final Tips for August Explorers:
- Arrive early for concerts and fireworks — the best spots fill up fast.
- Eat an ice cream at the end of fireworks- big tradition of doing it every day during Semana grande.
- Wander beyond the Old Town — there’s magic in every neighborhood.
Of course any guide cannot be complete without food recs. Want a foodie immersion into San Sebastian?
Join one of our Eat One Feed One food tours