Derived from the sharing economy, shared accommodations have found their place in the tourism industry, and are now considered as key markey players. While the notion of sharing remains at the core of the concept for some of its users, others have made it a business out of it. In the tourism industry worldwide, this practice is not well accepted, because of the competition it represents that is considered disloyal by some. The regulatory fog surrounding the sharing economy is nonetheless dissipating, as several governments in Europe and worldwide have begun to adapt their legislation to this trend. Even if regulation tightens, shared accommodations represent a new supply that has a place on the market, meeting new expectations of clientele and consumer habits.