Greek Islands

Choose Two Islands, Not Five

Almost every first trip to Greece tries to see too many islands, and the arithmetic is the whole of the planning problem. Three islands is the ceiling for ten nights and two plus Athens is the better shape, because every island change costs the better part of a day once you count checkout, the transfer to the port, boarding, the crossing and the transfer at the far end. Four islands in a week is a week of ferries with scenery attached. This page is about what comes before the wish list: which group suits you, how the boats work, and where the time goes.

Know before you go

• Fly into Athens, code ATH, the hub for all of it. It sits twenty kilometers east of the center, thirty by road, and handles well over thirty million passengers a year. Piraeus is the ferry hub, and direct island airports exist at Santorini, Mykonos, Paros, Heraklion and Chania.
• Ferry or fly resolves on the numbers. Under about ninety nautical miles the ferry wins door to door. Piraeus to Paros is 90 nautical miles and two hours forty by catamaran; Piraeus to Mykonos is 86 nautical miles, two hours forty fast or four hours forty conventional. Santorini is 127 nautical miles, five hours fast and up to eleven on a multi stop sailing, which is where flying starts to pay.
• Trip length two islands plus Athens for ten nights. Three is the ceiling, not the target, and the third is the one people regret adding.
• Best months June and September. Air temperature barely separates one island from another, so it is not the deciding factor people assume.
• Sea temperatures separate them instead. The Cycladic sea peaks in August and September at about 24 °C and still holds 22 in October, but sits nearer 18 in May and 15 at the end of winter. Autumn swims far better than spring, whatever the air temperature says.
• Entry and biometrics on a United States passport, no visa for stays up to ninety days, three months of validity beyond departure, one blank page per stamp, and a €10,000 cash declaration limit. The EU Entry Exit System has been running in full since the spring of 2026 and replaces the stamp with a digital record, a facial image and fingerprints, so allow extra time at a first Schengen arrival and never put a tight ferry connection behind it. ETIAS is not in operation, no applications are being collected and no launch date has been published; the fee is set at €20.
• Money and levies start with the euro, worth a little more than the dollar. Cards go almost everywhere. Cash still matters on the island buses and at the smaller harbor tavernas.
• The accommodation levy is charged per room per night rather than per person: €15 at five star properties from April to October and €4 from November to March, €10 and €3 at four star, €5 and €1.50 at three star. Cruise passengers landing at Santorini or Mykonos pay €20 a head from June to September and €12 in April, May and October.
• The meltemi is the most useful thing to understand about Aegean summer. The northerly blows periodically from mid May to mid September and can reach Beaufort force seven or eight, at which strength most inter island ferries cannot sail. It arrives suddenly under a clear sky, so never put an island to airport ferry leg on the same day as an international August flight.
• The shoulder season trap catches careful planners. Routes running eight times a day in August go seasonal or vanish in April and late October, and Mykonos to Santorini sails only from March to November. Check every leg against the operator's dated timetable rather than a route summary.
• The closed season is genuine on the small islands. Most seasonal businesses shut by the end of October, beach clubs and beachside restaurants stay closed from November to April, and roughly a fifth of the tavernas keep going. Crete is the exception.

The Cyclades, the Ionian and the Dodecanese are three different holidays

The Cyclades are what most people mean by the Greek islands: white cubes on bare rock, blue water, the shortest hops from Piraeus, the highest prices and the strictest season. This is where Santorini, Mykonos and Paros sit, and where the meltemi blows hardest. Take them if you want the image, if you are a couple, and if you accept that July and August are the loud months. The Ionian islands, on the western side of the country, are a different landscape: green, wooded, softer, Venetian rather than Cycladic in architecture, and outside the Aegean wind, which is why families and anyone who wants shade prefer them. Corfu is the anchor. The Dodecanese lie furthest southeast, near the Turkish coast, layering medieval and Ottoman architecture over the Greek, and they are the longest to reach from Athens. Crete belongs in none of these categories, because it is a country in miniature and needs a week of its own.

How island hopping actually works, and how much of it is boat

Build one way routes and never loops. Fly into one island, ferry forward, fly home from another, and let the timetable rather than the map decide the order. Under about ninety nautical miles the ferry beats flying once you count airport time at both ends, which covers Paros and Mykonos at two hours forty from Piraeus. Beyond that, fly: Santorini can be five hours on the fast boat and eleven on a multi stop sailing. Book boats and rooms together, because a room without a sailing is half a plan. For families and groups a crewed yacht out of Athens solves the whole puzzle at once, since the hotel travels with you and a windy day becomes a change of route rather than a lost one.

Which islands suit which traveler

Santorini is a three or four night island and no more: a caldera with villages on the rim, the swimming on the far coast, the day shaped by the ships. A short spectacular leg, not a base. Mykonos is for the scene, the restaurants and Delos, and it is honest about being an economy rather than a village. Paros is the island repeat visitors move to, with a working harbor town, inland villages and a car that is finally useful. Crete is a week on its own and the only one with a real winter. Athens deserves three nights rather than an afternoon on the way through, and Corfu and the Ionian answer for families who want green and shade. Pick two, not five.

Planning brief

A Greek islands route is built from the sailings backwards. The boats decide what the shortlist can hold.

• Best suited to: first trips to Greece; island hopping and yacht charters; families; honeymoons; travelers combining an island with Athens.
• Decisions to settle early: which island group; how many stops the nights carry; ferry or private charter; wind exposure in July and August; arrival and departure airports; how many hotel changes anyone will tolerate.
• Arrival and routing: ATH and Piraeus anchor almost every route; direct island airports at Santorini, Mykonos, Paros, Heraklion and Chania; one way routing with a buffer night before the flight home.

Two Islands. The Timetable Will Pick Them.

How many nights do you have, how does the party feel about boats, and do you want one base or a moving route? Answer those three and you will get islands in an order the sailings actually support, the ferries or the charter that string them together, and rooms held before the peak weeks close in around what is left.

Most island routes pass through Athens, and a night or two there before the ferries gives the trip a proper beginning.

Go deeper in the individual guides: Santorini, Mykonos, Paros, Corfu and Crete. When you want the ferries, the rooms and the transfers taken off your hands, that is our luxury leisure travel planning.

From the journal

More on the Greek Islands: 7 Luxury Villas in Crete for an Easy Escape.