Just be careful unless you are a EU citizen that you don't fall foul of tax/visa or immigration rules. Also check the status of your health insurance
. If you are a eU citizen get your E111 sorted out for health insurance
. ( but there is a limit to how long it lasts )
The French and Italian Cote d, azure is not as expensive as you think. There is good e excellent food
ingredients available , very cheap
and comphrensive public transport. It's just the marinas are expensive.
As to Eurozone issues, what issues, that's all high finance nonsense. You won't find any evidence of anything like that on the shores of the med ( way too good food
and wine to bother rioting)