Ok I'll jump in

I have spent 20 years in Cannes as a kid (but it was 20 years ago )
However, my parents still live there and I will try to help you a little even if December is not the best month:

Dining:

- Nice restaurants on the old harbour "vieux port". I would avoid them during summer time but locals go there in Winter months
- My favourite (very central, small, but EXCEPTIONAL Italian oldfashionned cuisine): Da Laura, rue du 24 Aout.
- Rue Saint-Antoine (old town): plenty of nice restaurants, although some might be closed now.

Drinks:

- Have a drink in the famous "Bar des célébrités" in the Hotel Carlton. You can "see" the souls of so many famous stars who enjoy to sit here during the Film Festival.

Tours:

If you have a car and by clear weather, a "must go" are the small vilages above Cannes, such as Gourdon, Tourrettes-sur-Loup, Saint-Paul-de-Vence
30-45 minutes drive, but so beautiful and such a nice view. By very clear weather, you can see Corsica ^.


Please feel free to contact me should you need more information and I'll try to assist you