Here is a running list of restaurants in Ithaca, NY that offer gluten free options. Remember to always check with the restaurant to make sure that your dietary needs can be accommodated.
Viva Taqueria: (http://www.vivataqueria.com) Located at 101 N Aurora St.
Taste of Thai Express: (http://tasteofthaiexpress.com) Located at 209 S Meadow Street.
The BoatYard Grill: (http://www.boatyardgrill.com) Located 525 Taughannock Blvd
Collegetown Bagels (CTB) (http://collegetownbagels.com): Three locations: 415 College Ave (Collegetown), 203 N Aurora St (Downtown), and 329 Pine Tree Rd
Ithaca Bakery (http://ithacabakery.com/gluten-free-products.html): Located at 400 N. Meadow Street and 2255 N. Triphammer Road
Greenstar (http://www.greenstar.coop): Located at 701 W. Buffalo St and 215 N. Cayuga St.