Great location. The hot tub is amazing and is very private. We recommend renting a car. Call Filippas Oia Car Rental Santorini and ask for Rodica.
Go see all parts of the island. It’s worth it. We especially loved the black sand beach in Perissa.
Go to the super markets and NOT the mini markets.
And the best Asian/Thai/Spicy food in Greece we had was at Paradox restaurant in Oia.
Be happy.