While the king's three-week visit is a boon for the local economy, it has also sparked anger due to the closure of a public beach for the privacy and security of the royal party.
The king's inner circle will be put up at the family's private villa, which stretches across a kilometre of Riviera coastline between Antibes and Marseille.
Some 700 other members of his entourage will be accommodated at top hotels on the promenade in Cannes.
"Clearly this is good news," said Michel Chevillon, president of an association representing hotel managers in Cannes.
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"These are people with great purchasing power which will pep up not only the luxury hotel industry but also the retail and tourism sectors of the town," said Chevillon.
But not everyone is happy.
An entire kilometre of public beach will be cordoned off for security and privacy reasons and coastguards will stop anyone coming within 300 metres of the villa by sea.
A petition against the "privatisation" of the public beach gathered more than 45,000 signatures in eight days.
"We recall that this natural zone, like all maritime public estates, is an intrinsic public property that should be available for the benefit of all, residents, tourists, French, foreigners or people passing through," said the petition.
"We ask the state to guarantee the fundamental principle of the equality of all citizens before the law," the text added.
"I can see it's normal that you need to guarantee their security but they should let us go for a swim.