Catamaran Full Day Cruise: Poliegos – Kleftiko

The best of Milos lies offshore. This 9.5-hour catamaran trip links the island’s rough western coast with Kleftiko’s sea caves and Poliegos’ startlingly blue lagoon, making it one of the fullest ways to see Milos from the water. I especially like the small maximum group of 22 and the generous food service, including snacks, lunch, fruit, desserts, soft drinks, water, and alcohol. The main catch is simple: you spend much of the day in strong sun, and the open-water crossing to Poliegos can be choppy.

I also like that the trip reaches places you cannot visit by car, including the old pirate bay at Kleftiko and Galazia Nera on Poliegos. The crew, including captains George and Nick on different departures, gets frequent praise for being friendly and attentive. Still, confirm the return transport carefully, since the stated finish is Pollonia with a van back to Adamas, while one booking experience ended in Adamas and required a €35 taxi to Pollonia.

Key points at a glance

• Kleftiko gives you about two hours around white rocks and sea caves, with time to swim and snorkel before lunch.
• Poliegos is the trip’s special finish, with Galazia Nera, a natural lagoon known for exceptionally clear blue water.
• The food is a major strength, with a home-cooked Greek buffet, fruit, cake, drinks, and alcoholic beverages included.
• The boat carries no more than 22 people, giving the outing a more personal feel than a large excursion boat.
• The itinerary can change with wind and sea conditions, and the skipper may reverse the route for a smoother ride.
• Bring a towel, cover-up, sunscreen, and breakfast, since breakfast is not included and shade is helpful between swims.

Why seeing Milos by catamaran matters

Milos is famous for its beaches, but the island’s most dramatic coast is not easy to reach overland. The western shore is rough, pale, and sculpted by wind and water. From the road, you get only glimpses. From a catamaran, you see the caves, cliffs, old mining sites, fishing villages, and tiny swimming coves as one long coastal story.

This is not a sightseeing cruise where you remain seated and watch the island pass. The day is built around swimming. You can jump from the catamaran into clear water, reach sea caves with the crew’s help, and spend time floating beside rock walls that are inaccessible by car.

The group limit of 22 matters here. It does not guarantee an empty boat, but it keeps the outing smaller than a mass-market ferry trip. The catamaran also offers seating in sun and shade, which is useful during a nine-and-a-half-hour day.

The price is $253.97 per person. That is a serious expense, especially for a family, but the value is easier to see when you count what is included: the sailing, guide, snacks, lunch, drinks, bottled water, snorkeling equipment, and alcoholic beverages. You are also paying for access to several remote sites in one day, plus the crew’s cooking and help in the water.

I would not book this only for the sailing itself. I would book it if you want several swim stops, excellent food, and access to the western side of Milos and Poliegos without arranging separate boat transport.

Setting out from Adamas at 9 a.m.

The day begins at Milos Adventures in Adamas at 9 a.m. Adamas is the island’s main port, so this start works well if you are staying nearby or can reach the port by local transport. Have breakfast first. It is not included, and the first substantial food comes later.

The opening part of the trip follows Milos Bay and passes the fishing villages of Skinopi, Klima, Areti, and Fourkovouni. Look toward the shoreline for the colorful sirmata, small boat houses built directly by the sea. Their bright doors and simple facades are one of Milos’ most recognizable coastal scenes.

You will also pass Arkoudes, a group of lava rocks named for their bear-like shape. These early sights are viewed from the boat rather than explored on foot, so keep your camera ready and avoid waiting for a formal photo stop.

The route then continues toward Cape Vani. The coast becomes more open and rugged here, and the boat ride itself becomes part of the experience. On windy summer days, the sea may feel lively. One departure reversed the planned order to provide a more comfortable ride, so do not treat the sequence as fixed.

Kalogries gives you the first swim

Kalogries is usually the first swimming stop, with about 40 minutes in a natural bay. The water is described as transparent, and the main pleasure is jumping directly from the catamaran rather than walking onto a developed beach.

This stop helps you settle into the rhythm of the day. You swim, return to the boat, and find fruit or another snack waiting. The crew supplies bottled water and drinks, and pool noodles and life jackets are available for people who are not strong swimmers.

Kalogries is not the longest stop, but it is a good first test of the conditions. If the sea feels rough, you will know how your stomach handles the motion before the longer crossing later in the day. If you are prone to seasickness, sit where the boat feels most stable and keep hydrated.

Sikia Beach is best viewed from the sea

After Kalogries, the catamaran reaches Sikia, a cave with a distinctive opening in its roof. The boat pauses so you can see the cave entrance and the round hole above it. This is a visual stop more than a long shore visit.

Sikia shows why a boat is essential for this route. The cave’s shape is easiest to understand from the water, where the entrance and roof opening appear together. Depending on conditions and the skipper’s decision, the boat may not linger for the same amount of time as at Kleftiko or Kalogries.

Bring a waterproof phone pouch if you want pictures from the swim stops. The combination of bright white rock and strong sunlight can be hard on ordinary phone cameras, and there is no guarantee you will have a dry place to set your belongings.

Kleftiko is the main event

Kleftiko is the famous old pirate bay, marked by white rock formations, narrow caves, and clear water. The stop lasts about an hour and a half in the stated schedule, although the overall description presents it as roughly two hours of swimming and exploration. Either way, this is one of the day’s longest water stops.

The crew guides you toward the best caves for swimming and snorkeling. You can see the rock formations below the surface as well as above it, and the light changes as you move between open water and cave entrances. This is the point where the trip feels least like a standard beach outing and most like a small sea expedition.

Snorkeling equipment is included, though one account specifically noted that masks were supplied but snorkels were not always available. I would bring your own mask and snorkel if you care about seeing below the surface. Pool noodles and life jackets are useful additions for children over seven and adults who prefer extra support.

Lunch follows the swim. It is served on board and is repeatedly praised as one of the strongest parts of the day. Expect a generous selection of home-cooked Greek dishes, with enough food for seconds and sometimes thirds, plus fruit, desserts, and drinks. One dessert was homemade baklava, and the crew has also provided alternatives for specific allergies when notified ahead of time.

This timing works well. You swim first, then eat while the crew handles the meal. It also means you should not plan on a quick sandwich. Lunch is treated as a proper meal and can take up part of your time at Kleftiko.

Gerakas, Firlingos, and the old sulphur mines

After Kleftiko, the route follows Gerakas and Firlingos. Gerakas is known for its striking beach and hot spring, while Firlingos adds another colorful coastal stop. These places are included as part of the cruise along the shore, not necessarily as long land visits.

The abandoned sulphur mines add a different note to the day. Milos has long been shaped by volcanic activity and mineral extraction, and the old industrial remains contrast with the bright water and pale beaches. You will see the mines from the boat as the route moves toward the final swim.

This stretch is useful because it breaks up the beach-and-cave pattern. You are not simply repeating the same swim stop four times. The trip mixes natural formations, fishing villages, industrial ruins, and open-water sailing.

Poliegos and Galazia Nera finish the day strongly

The final major stop is Poliegos, a smaller island near Milos. The boat reaches Galazia Nera, a lagoon formed by geological rock formations. The water here is especially clear and blue, and the setting has a more secluded feel than the better-known beaches.

The scheduled stop lasts about 50 minutes. That is enough time for a final swim and photographs, but it may feel short after the longer Kleftiko visit. The trip also includes an open-water crossing to Poliegos, which can be choppy in windy conditions. If you want the smoothest possible ride, ask the crew about the planned order when you board.

Poliegos is the reason I would choose this full-day version over a shorter cruise if your schedule allows. The half-day option can cover several Milos beaches and coves, but the full day adds this exceptionally blue lagoon on the neighboring island.

The final swim can also be the most tiring. By this point, you have spent hours in the sun, so use the boat’s shaded areas, reapply sunscreen, and drink water even if you do not feel thirsty.

Food, drinks, and the small-boat atmosphere

The food earns unusually strong praise, and it is not just a token snack followed by a basic lunch. The crew serves fruit after swimming, a full buffet of Greek dishes, cake or other sweets, and drinks throughout the trip. Wine, beer, soft drinks, and bottled water are included, along with other alcoholic beverages.

The boat’s cooking gives the experience a local touch. You may return from a swim to find lunch being prepared while the catamaran is anchored. That feels more personal than receiving a prepacked meal.

Food service also helps justify the price. If you paid separately for a restaurant lunch, drinks, and transport to remote beaches, the total would rise quickly. Still, I would not assume every departure has the exact same menu. Tell the operator about dietary needs when booking.

Music may be played during parts of the cruise, but the atmosphere depends on the group and crew. Some departures have a lively soundtrack, while others are quieter. That flexibility is a plus for a mixed-age group, though you should not book this expecting a nonstop party boat.

What to bring for a long day in the sun

The most useful packing list is practical:

• Swimsuit and a dry cover-up
• Towel, since you should not assume one is supplied
• High-factor sunscreen, with extra applications during the day
• Hat and sunglasses
• Waterproof phone case or small dry bag
• Your own snorkel if you want one
• Breakfast before the 9 a.m. meeting time
• Motion-sickness supplies if open water bothers you

Sun exposure is the main comfort issue. The boat has shaded areas, but you still spend much of the day around reflective water and pale rock. A cover-up is not just for modesty. It gives your skin a break between swims.

The cruise is not suitable for children under seven or people with mobility problems. Most other participants can take part, but you should be comfortable getting in and out of the water from the catamaran and spending several hours at sea.

Timing, group size, and the return to shore

The tour lasts about 9 hours and 30 minutes, beginning at 9 a.m. and ending in the Pollonia area according to the stated arrangements. You then should be brought back to the starting point in Adamas by van.

There is one important practical wrinkle. A booking account describes the boat ending in Adamas instead, leaving the person to pay €35 for a taxi back to Pollonia. Since Pollonia and Adamas are on opposite sides of Milos, confirm the exact drop-off plan before departure. This matters most if you have dinner reservations, a rental-car return, or a ferry connection.

The maximum of 22 people is a good middle ground. You get the social feel of a shared excursion without the scale of a large vessel. It also means the crew can help with swimming, food, and questions more easily.

The program depends on weather. The skipper can change the route or reverse the order, and poor conditions may cancel the trip. If the operator cancels for weather, you can receive a different date or a full refund. If you miss the boat because a cruise ship arrives late or you fail to reach the meeting point, no refund is provided.

Free cancellation is available up to 24 hours before the start time. A current valid passport is required on the day, and passport details are requested for every person at booking.

Who should book this Milos cruise?

I would choose this trip for couples, families with older children, and small groups of friends who want a full day on the water rather than a quick coastal ride. It works especially well if you value swimming, food, and scenery more than visiting beaches by land.

It is also a strong choice for people who want a relaxed day with the basics handled. The crew provides the boat, route, meals, drinks, and snorkeling equipment, so you do not need to organize several separate outings.

I would think twice if you dislike open water, strong sun, or an itinerary that can change. The day is long, and the crossing to Poliegos may be rough. It is also not designed for people with mobility problems or children under seven.

Should you book it?

Yes, if you want to see Milos from the water and can afford the $253.97 price. The combination of Kleftiko’s caves, the remote western coast, a generous Greek lunch, and Poliegos’ Galazia Nera gives the full-day cruise real value.

Before booking, confirm the exact return transfer to Pollonia or Adamas, bring your own towel and snorkel if needed, and protect yourself from the sun. If you prefer a shorter outing, the half-day version may be enough, but you will likely miss the brilliant blue lagoon at Poliegos.

For most visitors who enjoy swimming and want one memorable Milos day, this is a strong choice. The sea access, attentive crew, and unusually good food make it more than a boat ride from one beach to another.

FAQ

How long is the catamaran cruise?

The cruise lasts approximately 9 hours and 30 minutes. It starts at 9 a.m.

Where does the cruise begin?

The stated meeting point is Milos Adventures in Adamas, at Adamas 848 00, Greece.

Where does the cruise end?

The stated end point is Pollonia, followed by a van transfer back to the starting point in Adamas. Confirm this arrangement before departure because the return location may vary.

Is lunch included?

Yes. Lunch, snacks, beverages, bottled water, and alcoholic beverages are included.

Is snorkeling equipment provided?

Yes, snorkeling equipment is included. One trip account noted that masks were available but snorkels were not always supplied, so bringing your own snorkel is sensible.

Can children take this cruise?

The cruise is not suitable for children under seven years old. It is also not suitable for people with mobility problems.