Art Cafe
Art Cafe, (http://www.artcafenica.com). Art Cafe is a very nice place for listening to live alternative music and have a tranquil evening. It has a colorful bohemian looks and art on their walls and in the vibe of the place and the people that frequent it in general. Go there by taxi, ask for "Art Cafe, en frente del Parque las Palmas"
There are tons of bars in the area south of the big BAC building downtown, find an abandoned place called Lacmiel and head east to find this zone.
There are also a few bars and restaurants around ZONA HIPPOS. Woody's has good wings, Pirata's is a popular local restaurant/bar and Tercer Ojo is a more upscale resto-lounge with fusion cuisine. This area is west of the traffic light at Hilton Princess and La Union supermarket.
The "Zona Rosa" is an area with bars and restaurants that has sprung up in what was once a mostly residential area. It is located south of the BAC building. Highlights include Pharaoh's casino, Casa del Cafe, bars east of Lacmiel, la Casa del Baho restaurant, and Hipa Hipa bar.
Last but not least there are also bars and restaurants in the new "Zona Viva" in Galerias Santo Domingo