The Bar/Lounge at Hotel Fundador
The bar/lounge at Hotel Fundador is endorsed by professional reviewers. Out of 4 reviews tracked on TripExpert, 4 mentioned the bar/lounge, like Frommer's, Oyster and DK Eyewitness.
Hotel Fundador 
Frommer's
Oyster
DK Eyewitness
Fodor's
Frommer's "The location, on the edge of the atmospheric Barrio París-Londres, is a comfortable walk to the city's attractions and Lastarría's cafe society"
Oyster "The hotel has two on-site restaurants and a bar, as well as a charming gift shop that offers handmade jewelry and other art pieces"
DK Eyewitness "Renovated in a vibrant, airy style with hardwood floors and tonal shades of vibrant lime and white, Hotel Blue Tree
Fundador is situated on the edge of Barrio París-Londres"
Fodor's "On the edge of the quaint Barrio París-Londres, this hotel has rooms that, although small, are bright, airy, and attractive"
