What to do in San Sebastián on 5–6 September 2026
La Concha Flag sets the pace for a buzzing weekend, but the city has plenty more to offer. Our hand-picked guide brings together sport, live music, theatre, neighbourhood festivities and family-friendly ideas, checked against official listings and local venues.
Things to do all weekend
Flexible ideas to fit around sightseeing, lunch and the atmosphere surrounding the regatta.
Antiquarian and Second-hand Book Fair
Plaza Gipuzkoa
Browse almost forty stalls filled with rare, out-of-print and discounted books in one of the city centre’s loveliest squares.
Official listing →Goteras
Teatro Principal · Spanish · 80 min
Fernando Albizu, Álvaro Quintana and Gloria Albalate lead a science-fiction comedy in which a young playwright comes face to face with his future self.
Times and tickets →Tempo by Dakris
Victoria Eugenia Theatre · 75 min
Large-scale illusions, disappearances and plenty of audience participation from Dakris, known in Spain as the Invisible Magician.
Sessions and tickets →Txomin Enea festivities
Txomin Enea
Children’s games, live music, a popular cross-country race, craft stalls and a family disco make this neighbourhood programme easy to enjoy at any age.
Full programme →Cider, football, film and live music
Start in the Old Town, then choose between family cinema, neighbourhood celebrations and the city’s live-music circuit.
Sagardo Eguna cider festival
Plaza de la Constitución
Taste cider from 31 Gipuzkoa producers alongside trikitixa music and traditional bites including chorizo, cod omelette and cheese.
Official information →Real Sociedad B v CD Tenerife
Zubieta
Sanse welcome Tenerife in LaLiga Hypermotion. Real Sociedad’s senior men are away from San Sebastián this weekend.
Club information →Playmobil: The Movie
Aiete Kultur Etxea · Basque · 94 min
An animated adventure for families, following Marla and Del across the Playmobil universe as they search for a way home.
Check availability →Añorga Txiki festival finale
Añorga Txiki
Children’s games, cider and grilled sardines, giants and big heads, a romería and a late DJ set bring the neighbourhood festivities to a lively close.
Full timetable →The Bo Derek’s + Los Premodernos + La Ola Maldita
Dabadaba
Three guitar-driven live acts share the bill at this much-loved independent venue in Egia.
Tickets and details →Ultrabruma + LaMia Mari + Akatamara
Dabadaba
A late-night alternative spanning electronic sounds and urban beats for anyone keen to keep Saturday going.
Check tickets →La Concha takes over the bay
Arrive early if you are heading into the centre: expect crowds, traffic restrictions and a strong case for using public transport.
First day of the La Concha Flag
La Concha Bay
Eight women’s and eight men’s crews contest the opening day of San Sebastián’s great rowing regatta. The harbour, promenade and Urgull fill up well before the first start.
Official times and tickets →Txomin Enea Popular Cross
Txomin Enea
The third edition of the neighbourhood race opens Sunday’s festivities, followed by craft stalls, music and afternoon activities.
Neighbourhood programme →Víctor Pradera and Franco-era titles of nobility
San Telmo Museum · Basque
Historian Iñaki Garrido explores the figure of Víctor Pradera through a Carlist beret held in the museum collection.
Activity details →Traditional Basque Dance Competition
Plaza de la Constitución · 90 min
Ten couples perform fandango and arin-arin to live txistu and trikitixa music, dressed in traditional costume.
Official listing →Before you go: Times, capacity, prices and ticket availability may change. Check the official event link before setting off and review the weather forecast for outdoor plans.