Ristorante-Pizzeria Blue Fin
Piazza Dei SS. Apostoli, 59
Lungomare paolo toscanelli 120, (http://www.bluefinroma.com).
Ferrara
1/a Via del Moro
just off the Lungomare near the pier
You know it's terrific because of the crowds all the time. They have all kinds of pizze and many side dishes, all cafeteria style at very reasonable prices, and very tasty.
Ristorante Don Pepe
Lungomare paolo toscanelli 125. tel. 065672408, (http://www.donpepeostia.it). italian and spanish cooking: fish and meat.
Zenzero Biorestaurant
Serves vegetarian food and fish. Very tasty food combined with a nice atmosphere.
Ostia Antica.
There is a modern, clean restaurant inside the site, next to the gift shop which stocks all kinds of items such as postcards, posters, books and souvenirs.
Gelateria Salus
Lungomare Paolo Toscanelli, 117
06 976 13 117
Very good ice cream only at the table in a particularly nice environment, prices are mid-range, but the ice cream and service are worth the price.