Demeter Cave House is a cave-like “refuge” that offers comfort, privacy, relaxation and wonderful views of Pyrgos village in Santorini, Greece. The values of Cycladic architecture combined with a touch of luxury defined the design philosophy behind the restoration of this ruined traditional building and its reuse as a vacation home. Entering the private courtyard we can see the building’s only facade, which has preserved its original openings and a Jacuzzi. The unified vaulted interior welcomes the visitor with the kitchenette and the living room, which are connected with the bedroom and end up to the bathroom. The living room and the bedroom are separated by a wall with openings that allow the natural light’s entrance even to the darkest areas. Despite the building’s narrowness the openings, the white colored walls, the light gray concrete floor and the wooden details add up to luminous, elegant and enjoyable spaces.