I just spent one night in Rena's place, but i would recommend anyone to have that experience... It's just magic... Oia is really beautiful but there is so many people in the streets that having this really quiet and amazing place with the wiew on the Caldeira kept me breathless. Try to go down to the beach downstair, it's just some stairs to climb on the way back and the shower is nice to refresh yourself after the sport... ;)