There are no hostels in Cavalaire sur Mer, but there are other types of accommodations...

Area
The Cote d'Azur is 120km of pure delight running from Toulon to the Franco-Italian border of Menton. It's no wonder it boasts tourist appeal resorts known the world over.
Swimmers, sunbathers, culture or sports fanatics will find what they're looking for: immaculate seascapes, bays and marinas, bright blue sky, old quaint villages, great promenades and country footpaths.
The rural side of the French Riviera is an altogether different but as interesting place with lakes, alpine fields,...