Curious if either of these current Hotwire deals are the Hotel Casa Fuster, but doubtful since neither mention a pool:
5-star Hotel in Passeig de Gràcia - Casa Batlló - Shopping District area, $181/night, 100% recommended, 4.5 out of 5 TripAdvisor (1001 - 1500 reviews)
Hotel details
Complimentary
Free Internet
Amenities
Airport shuttleBusiness centerFitness centerPet friendlyPool(s)Restaurant(s)
OR
5-star Boutique Hotel in Passeig de Gràcia - Casa Batlló - Shopping District area, $184/night, 90% recommended, 4 out of 5 (501 - 1000 reviews)
Hotel details
Complimentary
Free Internet
Amenities
Boutique hotelFitness centerRestaurant(s)
I suspect the first is the Hotel Claris, and the second is the Eurostars BCN Design