Seafood€parte-vieja
La Mejillonera on Calle del Puerto in San Sebastian has cooked one thing since 1967: mussels by the dozen, in five sauces, served standing at the bar.
Signature: Mejillones a la vinagreta, Patatas bravas, Mejillones al vapor
Order: A dozen mussels a la vinagreta and a dozen al vapor; bravas to share; cana of Estrella.
Tip: Standing only, no tables. Cash-friendly. Closed Wednesdays Booking recommended for weekends.
Basque Pintxos€€parte-vieja
Bar Martinez on Calle 31 de Agosto in San Sebastian's Old Town has been a shellfish pintxo bar since 1942, now run by the third generation of the Martinez.
Signature: Pintxos de marisco, Brocheta de gambas, Pulpo a la plancha
Order: A pintxo de marisco from the counter; the seared octopus, the prawn brochette.
Tip: Counter is busy from 13:00 and 21:00; weekends and August are extremely crowded. No reservations.
Basque Pintxos€€parte-vieja
Casa Vergara on Calle Mayor in San Sebastian's Old Town, since 1948, sits across from the Santa Maria del Coro basilica with the bacalao al pil pil pintxo.
Signature: Bacalao al pil pil, Pintxo de tortilla, Brocheta
Order: The bacalao al pil pil pintxo from the counter; the tortilla pintxo by the slice.
Tip: Front terrace fills first; the church-step view is the standing-room reward. Open daily.
Basque Pintxos€€gros
Bar Bergara on General Artetxe in San Sebastian's Gros, since 1950, is the award-winning miniature-cuisine counter where Juan Mari Arzak is a regular.
Signature: Txalupa, Itxaso, Udaberri
Order: The Txalupa with prawn-mushroom gratin; the Itxaso monkfish with seafood cream.
Tip: Walk in only at the counter; small street terrace. The kitchen rotates new pintxos through the year while keeping the prize-winners on the daily list.
Basque€€€parte-vieja
Casa Urola on Fermin Calbeton in San Sebastian has cooked Basque market food since 1956, with pintxos downstairs and the dining room upstairs.
Signature: Kokotxas de merluza al pil pil, Cigala a la plancha, Txuleta de vaca vieja
Order: The kokotxas de merluza al pil pil downstairs first; then upstairs for the cigala and the chargrilled txuleta.
Tip: Eat pintxos at the ground-floor counter or book upstairs for a full meal. The kokotxas are the surest order in the city.
Basque€€€parte-vieja
Bodegon Alejandro on Fermin Calbeton in San Sebastian is the underground Old Town room where Martin Berasategui won his first Michelin star in 1986.
Signature: Merluza a la donostiarra, Txuleta, Tarta de queso
Order: The merluza a la donostiarra in cazuela and the txuleta from the grill; finish with the burnt-top cheesecake.
Tip: Book the 14:00 lunch slot for the calmer service. The staircase entry is easy to miss; the door is set below street level.