"You don’t have to be a geologist to guess what kind of island Vulcano is. Black sand, rocky shores, and dramatic landscapes characterize this Aeolian island, just off the northern coast of Sicily. And on its northern edge is Therasia Resort Sea and Spa, from whose cascading salt-water infinity pools you’ll gaze across a narrow strait at the next island, Lipari, less than a mile away." - Tablet Hotels