Packed with stunning Gothic architecture, superb restaurants, and hip bars and clubs, Barcelona is often regarded as Spain's coolest city. Not surprisingly, there are plenty of boutique hotels with serious cool factor throughout the Gothic Quarter, Sarria-Sant Gervasi, Eixample, Poble Sec, and Tres Torres neighborhoods. After visiting hundreds of Barcelona hotels, we evaluated each boutique property, taking into consideration their in-room amenities, common-area features, and overall sense of style. Take a look at our expert picks for the best boutique hotels in Barcelona and start planning your trip!