Catamaran Full Day Cruise: Poliegos – Kleftiko

Kleftiko is the main prize here: a former pirate hideout of white rock, sea caves, and startlingly clear water that you can reach only by boat. But the real pleasure is the full route, which links Milos fishing villages, quiet coves, volcanic rock formations, and the blue lagoon of nearby Poliegos in one long day at sea.

I like the small group limit of 22 people and the generous food service, which includes fruit, snacks, lunch, drinks, wine, and sweets. I also like that the crew can adjust the order of stops when summer winds make the sea rough. The main drawback is the length: nine and a half hours on open water means strong sun, possible choppy conditions, and a full day with little escape from the heat.

Key things to know before you book

• Kleftiko gives you the classic Milos moment: Swim among white cliffs, caves, and old pirate-bay rock formations.
• Poliegos adds something different: Galazia Nera is a natural lagoon with exceptionally clear blue water.
• The food is a major part of the day: Expect fruit, snacks, a substantial Greek lunch, drinks, wine, and dessert.
• The boat is small enough to feel personal: The maximum group size is 22, with room in both sun and shade.
• Pack for serious sun exposure: Bring a towel, cover-up, sunscreen, and an underwater camera if you have one.
• The route can change: The skipper may reverse the schedule or alter stops when weather and wind require it.

Why this full-day Milos cruise is worth considering

Milos is often described through its beaches, but its best scenery is viewed from the sea. Roads can take you to many popular shorelines, but they cannot take you into Kleftiko’s caves, around the outer cliffs, or across to the Poliegos lagoon. This cruise lets you see the island as a volcanic coast shaped by wind, water, and old eruptions.

At $253.97 per person, this is not a cheap boat outing. Still, the price includes a nine-and-a-half-hour sailing day, a guide, snorkeling equipment, bottled water, soft drinks, alcoholic drinks, snacks, and lunch cooked aboard. If you would otherwise pay separately for a boat trip, meals, drinks, and transport back to Adamas, the package makes better sense.

I would choose this over a short harbor cruise if you want a full day on the water and several swim stops. If you only want a quick look at Kleftiko, a shorter outing may suit you better and cost less. The full-day trip earns its price mainly through the extra distance to Poliegos, the time spent swimming, and the food service.

Starting in Adamas and settling into the catamaran

The day begins at 9:00 a.m. at Milos Adventures in Adamas. The published arrangements say you disembark at Pollonia and return to the starting point in Adamas by van. One booking account reported finishing in Adamas instead, so I would confirm the final drop-off point before sailing, especially if you are staying in Pollonia and expect to walk back to your accommodation.

The boat carries no more than 22 people. That matters. You are not signing up for a huge party boat where every swim stop turns into a scramble for space. The catamaran has seating in both sun and shade, though the shade can become especially valuable during the long middle part of the day.

The crew may include Captain George, Captain Nick, and crew members such as Elya or Elias, depending on the departure. The strongest praise centers on friendly, attentive service. The crew serves food, keeps drinks available, helps less confident swimmers with life jackets and pool noodles, and guides people toward the better cave areas.

The sea may be calm, but it may also be rough during the open-water sections. One cruise changed the order of the stops to make the ride more comfortable in strong summer winds. That is a good sign: the skipper is not treating the printed route as more important than safety and comfort.

Skinopi, Klima, Areti, and Fourkovouni from the water

As the catamaran leaves Milos Bay, you pass the fishing villages of Skinopi, Klima, Areti, and Fourkovouni. Their brightly painted boat houses sit right along the shore. These small structures are known as sirmata, traditional shelters where boats could be pulled in and protected.

Seeing the villages from the water gives you a better sense of how closely local life has been tied to the sea. From a road, you may notice the colors and shapes. From the catamaran, you see the houses lined up at the water’s edge, with the rocky coast rising behind them.

The boat also passes Arkoudes, a group of lava rocks named for its resemblance to a bear. This is a quick scenic portion rather than a long stop, but it helps explain the unusual forms found around Milos. The island’s coast changes constantly: pale cliffs, dark volcanic rock, narrow inlets, and rounded formations appear one after another.

Kalogries Bay and the first swim

The first major swim stop is Kalogries, a natural bay near Cape Vani. The water is clear, and the catamaran provides a high platform for entering the sea. You can swim directly from the boat rather than walk across a beach.

This is a useful first stop because it eases you into the day. You can cool off, test the water, and get comfortable with the boat before the more dramatic scenery around Kleftiko. The scheduled stop is about 40 minutes, enough for a proper swim without making the day feel rushed.

Bring a towel and cover-up for the time between swims. Several people found the sun stronger than expected, and a wet swimsuit does little to protect your shoulders while you sit on deck. Reapply sunscreen often, especially after getting out of the water.

Sikia Cave and the roof opening

After Kalogries, the catamaran continues toward Sikia Cave. The boat pauses so you can see the cave entrance and the distinctive opening in its roof. Light enters through this hole, giving the cave its unusual shape and making it one of the most memorable coastal sights on the route.

The exact time here depends on sea conditions and the skipper’s judgment. This is primarily a viewing stop, not the main swimming session, so keep your camera ready. The scale is hard to appreciate from shore, and the view from the water shows how the cave opens into the sea.

Kleftiko: the centerpiece of the day

Kleftiko is the reason many people book this cruise. Once used as a pirate hideout, the bay is surrounded by white rock, narrow passages, and sea caves. The water is so clear that you can see rock forms below the surface as you swim.

The planned stop lasts about two hours, though the route can change. That long pause is important. You are not simply stopping for a quick photograph before moving on. You have time to swim, enter some of the caves with guidance from the crew, snorkel, and return to the boat for food.

The crew points out the better places to swim and explore. Snorkeling equipment is included, though equipment details can vary. One account specifically noted that masks were available but a snorkel was not, so bring your own snorkel if that matters to you. Pool noodles and life jackets are available for people who are not strong swimmers.

Kleftiko works well for couples and friends who want time in the water, but it can also suit families with older children. The minimum age is seven, and the boat is not suitable for people with mobility problems. You need to be comfortable getting into and out of the sea from the catamaran.

After the swim, the crew serves lunch aboard. The meal is described as a generous spread of home-style Greek dishes, with enough food for seconds and sometimes thirds. Fruit, sweets, cake, and baklava may also appear during the day. The food is more than a basic sandwich lunch, and it becomes one of the reasons the higher price feels reasonable.

Specific dietary needs should be given when booking. The crew has accommodated allergies and prepared alternative desserts, but you should still make your requirements clear in advance.

Gerakas, Firlingos, and the old sulphur mines

The catamaran continues past Gerakas, a striking beach with a hot spring, and Firlingos, known for its colorful shore. These are scenic passages rather than the main stops, so the experience shifts back to sailing and looking from the deck.

You also pass the abandoned sulphur mines. This adds a different note to the day. After beaches and caves, the old industrial remains show another side of Milos, an island shaped not only by fishing and tourism but also by mineral extraction.

The full route covers a lot of coastline. That is a benefit if you want variety, but it also means some time is spent simply sailing between stops. Bring something light to cover your skin and settle into the boat during these stretches.

Poliegos and the Galazia Nera lagoon

The final major stop is Galazia Nera on Poliegos, an island near Milos. The name refers to its blue waters, and the setting has the feel of a natural lagoon formed by surrounding rock.

The scheduled stop is about 50 minutes. It is shorter than Kleftiko, but the color of the water makes it a strong finish. The clarity can be remarkable, especially when the sun is high. This is also the part of the route that sets the full-day cruise apart from shorter Milos options.

Getting to Poliegos requires an open-water crossing, which can feel choppy in windy weather. If you are prone to seasickness, sit where the motion is easier for you, watch the horizon, and avoid treating this section as a minor detail. The skipper may alter the order of the day based on the conditions.

Food, drinks, and the practical value of the price

Food is one of the most praised parts of the cruise. You receive snacks and fruit during the day, a full lunch cooked by the crew, bottled water, soft drinks, and alcoholic drinks. Wine and beer are available, and dessert may include cake, fruit, or homemade baklava.

This is useful on a nine-and-a-half-hour outing because you do not need to arrange food while away from shore. It also keeps the day relaxed. After swimming, you can return to the catamaran, eat, and sit in the shade rather than rush straight into another activity.

The $253.97 price is best judged against the complete day, not just the boat seat. You are paying for the catamaran, crew, multiple remote stops, food, drinks, equipment, and ground transport back to Adamas. I would call it fair for someone who intends to use the whole day. It is harder to justify if you dislike long boat rides, rarely swim, or mainly want a quick view of Kleftiko.

Who should book this Milos catamaran trip?

I would recommend it to couples, families with children aged seven and older, and small groups of friends who want an active day with plenty of time in the sea. It is also a good choice if you want to see Milos beyond the most accessible beaches.

You should be comfortable with several hours on a boat, repeated swimming stops, sun exposure, and possible rough water. The catamaran is not suitable for people with mobility problems, and it may not be ideal for very young children.

Pack:

• Swimsuit, towel, and a cover-up
• High-factor sunscreen and sunglasses
• A hat that will stay secure in the wind
• Waterproof phone protection
• Your own snorkel if you prefer one
• Motion-sickness medication if you normally need it
• Passport, which is required on the day

The cruise is offered in English. A mobile ticket is provided, and confirmation arrives at booking. Free cancellation is available up to 24 hours before departure. If poor weather cancels the outing, you can receive a refund or choose another date.

Should you book the full-day route?

Book it if you want Milos from the water rather than from a string of roadside viewpoints. The mix of Kleftiko caves, fishing villages, Sikia Cave, Gerakas, the old sulphur mines, and Poliegos gives you a broad look at the coast. The generous lunch and small group also make the price easier to accept.

Choose a shorter cruise if nine and a half hours sounds tiring, if you are uneasy on open water, or if you mainly want one or two swim stops. For the right person, though, this is one of the most complete ways to spend a day around Milos. Pack for the sun, confirm the return transfer, and let the skipper adjust the route when the wind demands it.

FAQ

How long does the catamaran cruise last?

The cruise lasts approximately 9 hours and 30 minutes. It begins at 9:00 a.m.

Where does the cruise start?

The meeting point is Milos Adventures in Adamas, Milos, Greece.

Where does the cruise end?

The published arrangement says the catamaran disembarks at Pollonia, followed by a van transfer back to Adamas. Because one account reported finishing in Adamas instead, confirm the final drop-off point before departure.

What food and drinks are included?

The experience includes snacks, lunch, bottled water, soft drinks, and alcoholic drinks. Fruit, dessert, wine, beer, and home-cooked Greek dishes may be served during the day.

Is snorkeling equipment included?

Yes. Snorkeling equipment is included. If you prefer a particular mask or snorkel, bringing your own is sensible because equipment details may vary.

Is the cruise suitable for children?

The cruise is not suitable for children under seven years old. Children aged seven and older may participate if they can manage the boat setting and swimming stops.

Is the tour suitable for people with mobility problems?

No. The cruise is not suitable for people with mobility problems.

What happens if the weather is bad?

The program may change according to weather and the skipper’s decision. If poor weather causes the cruise to be canceled, you can choose another date or receive a full refund.