Everyone arrives on Santorini wanting the same photograph and assumes it means Oia. It does not. The caldera runs along the whole western edge of the island, and four villages sit on it with the same view and very different daily lives.
Oia
The most beautiful and the most visited. Extraordinary at eight in the morning, packed between four and nine in the evening when the sunset crowd arrives, and quiet again afterwards. Choose it if you want the icon and you are willing to step around people to reach dinner. The cave suites here are the island's best, and they know it.
Imerovigli
The village I book most often. The highest point of the caldera, the same view, a fraction of the foot traffic, and a ten-minute drive to Oia when you want it. Very few shops and almost no nightlife, which is exactly the point for couples. Expect steps and a long walk with your luggage from wherever the taxi stops.
Firostefani
Between Imerovigli and Fira, and the most practical compromise. You can walk into Fira for dinner or a pharmacy in fifteen minutes along the caldera path, which is one of the best walks in Greece, and you still have the view from your terrace. Better value than Oia for a very similar experience.
Fira
The island's town: banks, buses, shops, bars and the cruise crowd. Convenient, much less expensive, noisier, and not romantic. Fine for a younger group or a one-night stopover, wrong for a honeymoon.
The thing nobody tells you: steps
Caldera hotels are built into a cliff, and the path between the road and your room can be forty steps or two hundred, carried by hand, in the heat. If anyone in your party has a knee, a hip, a back, a stroller or a very large suitcase, this single fact should decide your hotel. Ask for the step count before you book — I always do, and the honest answer rules out perhaps a third of the options.
If swimming matters more than the view
Stay on the other side of the island. Santorini's caldera has no beach — you swim in your hotel's pool. The black sand beaches at Perivolos and Vlychada, and the quiet stretch around Akrotiri, are where the actual swimming happens, and hotels there cost less and have no steps. Several couples each year are happier with a caldera stay of two nights and a beach stay of three.
How many days do you need?
Two or three nights. Santorini is small and its pleasures are unhurried rather than numerous: a sunset, a boat day, a winery lunch, a morning walk from Firostefani to Oia. By the fourth day most couples want a beach, a different island, or Athens.
When to go
Late May to June and September are ideal — warm sea, everything open, the island still breathing. July and August are hot and crowded at peak prices. By late October many caldera hotels close for the winter, and the ferries become unreliable in wind.
My full guide to planning a trip to Santorini — arrival at the port and airport, must-see spots, culture and timing — is linked below.