Barcelo Costa VascavsPension Aida
Both properties are praised by professional reviewers. On balance, Barcelo Costa Vasca scores significantly higher than Pension Aida. Barcelo Costa Vasca has a TripExpert Score of 80 with recommendations from 4 reviewers like Oyster, The Telegraph and Michelin Guide.
Barcelo Costa Vasca
 Michelin Guide
 Oyster
 The Telegraph
 Frommer's
15 Avenida Pio Baroja, 20008 Donostia-San Sebastian
From $66/night
- Bar/Lounge
 - Free Internet
 - Room Service
 - Laundry Service
 - Concierge
 - Laundy Room
 
 "Menu: 18€ - Carte: 25€-41€" 
Upscale
 "The Barcelo Costa Vasca is an upscale property about a 35-minute walk to the old town of San Sebastian, and a 15-minute walk to the beach." Full review
7.0
 "The modern Barceló Costa Vasca is a business favourite, thanks to its large size and sheer efficiency." Full review
 "A large redbrick hotel, the Costa Vasca is 10 minutes from Ondarreta Beach, and a 5-minute drive (or 10 min. on foot) from the center of town." Full review
Pension Aida
 Rough Guide
 Lonely Planet
9 Calle Iztueta, 20001 Donostia-San Sebastian
From $39/night
- Free Internet
 - Laundry Service
 - Concierge
 - Multilingual
 - Beach
 - Baggage storage
 
 "This welcoming nine-room pensión stands in a relatively quiet location close to the main train station, Zurriola beach, and old town. All rooms are newly and brightly decorated... En-suite facilities." 
 i 
For maximum peace, opt for an “interior” room, though those facing out are equipped with balconies (and cost a few euros more).
 Top Choice
 "The owners of this excellent pensión read the rule book on what makes a good hotel and have complied exactly... For our money, we’d say this one is very hard to beat." Full review