Based on my own personal experience the following are the best elegant and excellent restaurants in Santo Domingo.
La Briciola Ristorante Arzobispo Meriño 152-A, Ciudad Colonial 809 688-5055
http://www.dominicana.com/briciola/
Scherezade Restaurant International Cosine (Midle East Cocine) Ave. Roberto Pastoriza # 226 809 227-2323
El Meson De la Cava National & International Cosine Ave. Mirador Del Sur 809 533-2818
Palacio De Jade Asian Cosine Jose Maria Heredia Street #6, Gazcue
Cantabrico Restaurant Spanish Cosine - Excelent Paella & Seafood Av. Idependencia
Pata De Palo Restaurant Atarazana, Zonal Colonial
Restaurant Bucanero with View of the Ozama River & Colombus House Ave. España, Puerto Turistico San Souci
Enjoy and then share with us your exprecience!
Ray Modesto