TheFork users who ate in Antibes have said really good things about La Storia, adelia pizza and Le Temps jadis. Maybe you should give them a try!
Some of the more popular Pizza restaurants having a terrace in Antibes according to TheFork users include:
La Storia, with a 9.4 rating
Le Temps jadis, with a 8.9 rating
Ragazzi Cannes, with a 8.9 rating