What are the most worthwhile things to do in Santorini on a first visit?

The island's four ticketed cultural sites are priced to be combined. Akrotiri is €20 full and €10 reduced. The Museum of Prehistoric Thera, which holds the finds from that excavation, is €10 full and €5 reduced, open Monday and Wednesday to Sunday from 08:30 to 15:30 and closed on Tuesdays. The Archaeological Museum of Thera is also €10 and €5, opening Tuesday to Friday and Sunday from 08:30 to 15:30 in the summer season with a long Saturday from 09:00 to 21:00, and closing on Mondays. The Pyrgos Collection of Icons and Ecclesiastical Relics, in the hill village of Pyrgos, is €5 full and €3 reduced.

Seeing the site and its museum as one visit is the point. Akrotiri is where the Bronze Age town stands; the Museum of Prehistoric Thera is where its frescoes, pottery and metalwork are displayed. Doing one without the other halves both. Note the opposing closures — the Museum of Prehistoric Thera shuts Tuesdays, the Archaeological Museum of Thera shuts Mondays — which means a single day can take in one museum but never both at the start of the week.

Away from the ticketed sites, the island's agriculture is itself worth looking at. Santorini's cherry tomato is protected at EU level: Τοματάκι Σαντορίνης, Tomataki Santorinis, was entered in the register of protected designations of origin by a Commission regulation dated 18 December 2013, in class 1.6, fruit, vegetables and cereals, fresh or processed. The low, ground-hugging field crops and un-trellised vines you see across the island's interior are a response to wind and to a soil of volcanic ash.

The Archaeological Museum of Thera's summer Saturday runs to 21:00, hours after every other site on the island has shut — on that one evening a week the collection is open while the caldera outside is going dark.

Last admission at most of these sites is 20 minutes before closing, which turns a 15:30 close into a 15:10 cut-off. For the three sites that shut at 15:30 — Akrotiri on its short days, and both Thera museums — that effectively removes the last half hour of the morning, and a plan that stacks all three into one morning will lose the third.

• Site then museum — €20 at Akrotiri, €10 at the Museum of Prehistoric Thera; they are halves of one story.
• Mind the day — The Museum of Prehistoric Thera closes Tuesdays, the Archaeological Museum of Thera closes Mondays.
• A hill village afternoon — The Pyrgos Collection at €5 is the cheapest ticket on the island and sits in the village it belongs to.

The border process has changed: the European Commission reports that the Entry/Exit System has been fully operational across all Schengen countries since 10 April 2026, so first arrival into Greece now involves biometric registration rather than a stamp. On the island, the 20-minute last-admission rule and the staggered weekly closures are the practical obstacles, and the Pyrgos Collection has been subject to exceptional closures outside its published schedule — a small collection with a small staff behaves that way.

The Santorini food and drink question in this group covers the protected split pea and the island's wine, both grown in the same volcanic soil.