Signum SPA Discover true wellness of Aeolian nature. The perfect place to regain energy, vitality and lust for life In the Hotel Signum SPA, in a dreamy ambiance, the body becomes renewed again, the skin shines and the soul smiles. The fine harmony of the environment and the functionality of the structure are basic ingredients in the treatments and services we offer. Our geothermic water is rich in minerals. Treatments include the finest of natural- therapy techniques.