Open : April - October... The Maison Des Lys Luxury Hotel in Santorini is a brand new, luxury establishment settled on the seaside cliffs of the Santorini Caldera.Along with its breathtaking views of the Aegean, the volcanic islets as well as the town of Fira, Imerovigli and Oia, the Maison Des Lys luxury hotel in Santorini boasts 15 Luxury hotel suites, each built and furnished with elegance and comfort, making it a one of kind among Santorini luxury hotels..