While it would be virtually impossible to list them all,
here is a list of the more popular places.
Rock'n Java Caribbean Cafe - Located 1 block south of the Punta Langosta plaza. Great food, reasonable prices.
Hard Rock Cafe - 2 locations, one just north of the ferry pier, one in Punta Langosta Plaza
French Quarter - Restaurant & Bar
Prima - Top Floor, El Cantil North, across from Palacio Municipal
La Veranda - Calle 4 Norte between 5 and 10
Carlos & Charlies - Specializing in BBQ Ribs, BBQ Shrimp, Fajitas and more. Located at the Punta Langosta plaza.
Senor Frogs - Nightclub, bar, food. Located at the Punta Langosta plaza
Pepe's Grill - Steaks and Seafood. On the corner of Rafael E. Melgar Av. & A. Rosado Salas
Mezcalito's - Located at the end of the crossroad on the east side of the island.
Domino's -
Pizza Hut -