Beaches and Swimming
Milos wins this round easily. Within a 30-minute drive you can lie on the smooth white rock of Sarakiniko and slide into a turquoise channel. You can swim below the striped cliffs of Firiplaka or climb down a ladder and rope to tiny Tsigrado. The colors are what surprise people: chalk, rust and sulfur yellow against bright blue water. When the summer meltemi wind hits the north coast, the southern beaches usually stay sheltered.
The Aeolians swim differently. The beaches are mostly black sand or pebbles. They get very hot by midday, so you need beach shoes. The best swimming is from a boat in the coves around Panarea and the islets of Basiluzzo and Lisca Bianca, or off the rocks below a terrace hotel. It is lovely water. It just comes with fewer lazy beach afternoons.
Couples who measure a holiday in swims should lean toward Milos.
Volcanoes Up Close
Both places are volcanic, but only one is awake. Milos is dormant. Its volcanic past shows in the rock formations, the sea caves at Kleftiko and the colored cliffs, not in smoke.
The Aeolians are the real thing. Stromboli erupts in small bursts most nights. An evening boat trip to the Sciara del Fuoco on its northwest flank lets you watch the glow from the water. Hiking above certain altitudes generally requires an authorized guide. Access rules change with volcanic activity, so check locally. On Vulcano you can hike the Gran Cratere for steaming fumaroles and a view across the archipelago. From Salina's terraces, the smoking cone sits on the horizon at dinner.
If an active volcano is a draw for either of you, this decides it. If it sounds like a bonus rather than the point, Milos gives you the volcanic scenery without the schedule built around it.
Getting There From the US
Neither has an airport you can reach in one flight from the US. For Milos, fly to Athens, then take a short domestic flight to Milos (MLO), often under an hour, or a ferry from Piraeus. High-speed boats take about three to four hours. Summer flights to the island sell out, so book them with your international tickets.
For the Aeolians, fly to Catania (CTA) or Palermo (PMO), usually connecting through Rome or a European hub. Some summers bring seasonal nonstops from the New York area to Sicily. From Catania it is about two hours by road to Milazzo, then roughly an hour by hydrofoil to Lipari. A helicopter service from some Sicilian airports is the pricey shortcut.
The Aeolian journey has more legs and depends more on the sea. Hydrofoils can cancel in rough weather, so keep a buffer day before your flight home. Milos is a simpler trip, especially if you fly the last leg.
Hotels and Rooms
Both places run small, which is part of the charm. Milos has no big resort strip. Milos Cove, near Pollonia, is the island's best-known luxury resort, with suites and villas that mostly have a private or plunge pool, from roughly $750 a night in shoulder season. Melian, on the Pollonia waterfront, has just 15 rooms with sea views, from about $350. Skinopi Lodge offers seven stone villas on a hillside above the bay, with kitchens and a deck on the sea. The rarest rooms are the converted syrmata boathouses in Klima and Mandrakia, where you step out of bed and into the water.
In the Aeolians, Salina has the most charming hotels. Capofaro Locanda & Malvasia sits among vineyards beside a lighthouse with views to Panarea and Stromboli, from around $650 a night in high season. Panarea's Hotel Raya has long been the fashionable address. Lipari has the widest choice and the best connections.
Pace and Atmosphere
Milos is calm even in August. Plaka, the hilltop capital, fills with people at sunset and empties by midnight. Pollonia is a quiet fishing village with good seafood tavernas. Evenings are about a drink facing west and dinner on the waterfront. There is little nightlife, which most honeymooners count as a feature.
The Aeolians let you choose a mood each day. Salina is slow, green and good for hiking. Panarea has a lively summer evening scene with aperitivo on whitewashed terraces. Stromboli feels wild, with black sand and few roads. Filicudi and Alicudi are remote, with very simple lodging. Panarea and Lipari get crowded in July and August.
If one of you likes a little buzz and the other wants silence, the Aeolians can serve both by splitting nights between Panarea and Salina. If you both want quiet, Milos is the easier way to get it.
Food and Wine
Milos cooking is simple and very good. Order pitarakia, small fried cheese pies, as soon as you sit down. Look for ladenia, an old flatbread baked with tomato and onion. Seafood is grilled by weight in Pollonia, so ask what came in that morning and how much a portion weighs. Sun-dried octopus over charcoal is common. Plaka's rooftop bars are the place for cocktails at sunset.
The Aeolians have the stronger wine story. Malvasia delle Lipari, a sweet golden wine from Salina and Lipari, is worth a tasting at a winery among the vines. Capers from Salina turn up in everything. Pane cunzato, bread loaded with tomatoes, capers, olives and anchovies, is the classic lunch. Grilled swordfish and granita with brioche round out the day.
Both deliver long seafood dinners on a terrace. Couples who plan trips around wine will enjoy the Aeolians a little more.
Best Months and Combining Trips
The seasons match closely. Late May, June and September are the sweet spots for both, with warm water and room on the boats. September usually brings the warmest sea. July and August are hot and busy everywhere. The Aeolians add minimum stays and higher prices. From November to March most hotels close on both. Aeolian hydrofoils run far less often.
The natural pairings differ. Milos works well after a busier stop like Santorini. It connects by ferry to Folegandros, Sifnos and other Cyclades islands. The Aeolians pair with Taormina or Ortigia in Sicily for a longer southern Italy trip.
Combining Milos with the Aeolians in one honeymoon means flying between Greece and Sicily through Athens or Rome. It can be done on a two-week trip, but each will feel rushed. Most couples are happier picking one and adding its natural neighbor.