What's open on Sundays in Santorini?

Almost everything in Santorini's tourist economy runs seven days a week from roughly late April through October, so Sunday closures are not the concern they would be in, say, rural France. Restaurants, bars, tour operators, ATVs and quad rentals, cable-car service in Fira, and boat excursion desks all operate on Sundays without reduced hours. The Archaeological Museum of Thera in Fira and the Museum of Prehistoric Thera close on Mondays, not Sundays. Supermarkets in Fira and Oia keep normal hours, though smaller family-run shops may shorten their afternoon hours slightly. The one genuine gap: municipal offices, banks, and the post office are closed, so handle any bureaucratic errand on a weekday. Outside the May-to-October window, operating hours compress island-wide regardless of day, and you should confirm specific venues directly before visiting. Sunday on Santorini is functionally indistinguishable from any other day during high season.

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