Best For: Great values; user-friendly website
This Madrid-based company’s 80 villas and 200 apartments are located all over the country, from Catalonia to the Balearics.
What We Love: Searching online is easy with the aid of categories (Luxury, Unique Charm, Great Deals).
Standout: An eight-bedroom house on the Cap de Creus peninsula (near the Costa Brava); it’s a short ride from El Bulli and has views of Salvador Dalí’s house ($22,580 a week). 34/91-523-7451; spain-select.com.