Hotels and alternatives
Nothing. Spend your nights in Bizerte (30 km north) or Tunis (35 km south).

Restaurants and alternatives
Nothing. Do as above.

Change Money
Nothing. As above.

Transport
There are plenty of connections between Tunis and Bizerte. You can jump off at new Utica village, and hitch for the ruins (it is a bit too far to walk). Or if you ask around in Tunis, you could catch a transport going for Raf Raf/Ghar el Melh/Sidi Ali el Mekki.