Five men were handed jail terms, suspended for four of them, over the racially-charged August incident which pitched three brothers of Moroccan origin against members of a local village angered by their attempt to block off a beach.
Move to uphold ban 'on security grounds' is first such ruling since France's highest administrative court overturned another ban on the swimsuit.
Photos of a Muslim woman surrounded by police and stripping off her shawl have prompted protests from French Council of the Muslim Faith.
Following Cannes ban, mayor of Villeneuve-Loubet says that in France 'one does not come to the beach dressed to display religious convictions'.
Decision to arm 100 of around 300 officers who patrol beaches follows the shooting of two police officers in suburb of Paris earlier this month.
Palestine activists and politicians on the Left have attacked the 'indecency' of honouring Israeli city a year after bloody Gaza conflict.
King Salman left after eight days of planned three-week stay in Riviera villa where officials had sealed off beach for security reasons.
The mayor of Vallauris insists lift built to give Saudi Arabia's King Salman access to a fenced-off public beach has no planning permission.
The mayor of Vallauris has ordered a halt to 'illegal' fencing-off of a local beach by Saudi staff in preparation for a summer visit by King Salmon.
France's François Hollande and Tunisian counterpart Beji Caid Essebsi issued statement after bloody terror attacks in their two countries.
Sections of the Riviera beach are designated a 'No Braggies Zone', a haven for those weary of seeing beachgoers taking shots of their own faces.
Nadine Morano posted picture of a veiled holidaymaker on her Facebook account describing the scene as 'an attack on our culture'.
The riverside roads have been turned over to a seaside décor of sand, palm trees, deck chairs and umbrellas until the end of August.
Court acts after two mothers wearing Muslim headscarves were refused access by mayor to inland beach south of Paris.