Antibes
Antibes is situated between Nice and Cannes and is a lovely small town with a magnificent marina (no, not you, Marina! :-) )
There is a special dock for the BIGGEST yachts you can find (some as big as ferries) and there's special security, so you can't get too close to them. We saw one big ass yacht with a heli on top. But the smaller ones (that in my eyes were big but now I've seen the others...well...) are also stunning.