Catamaran Full Day Cruise: Poliegos – Kleftiko

Milos is best understood from the water, and this full-day catamaran cruise reaches parts of the island you cannot visit by car. The route brings you to Kleftiko’s white rock walls, Sikia’s roofless cave, and Galazia Nera on nearby Poliegos, where the water takes on an almost unreal blue color.

I like two things especially: the small maximum group of 22 and the generous food service. Captains George and Nick are both praised for making the day feel personal, while crew members such as Elias and Elya have cooked large Greek meals, served fruit and desserts, and helped less confident swimmers with pool noodles and life jackets.

The main consideration is the sea. The open-water crossing can be choppy, and the sun is relentless. You also need to be comfortable getting into and out of the water from the catamaran. This cruise is not suitable for children under seven or people with mobility problems.

Key points to know before booking

• Kleftiko is the main swimming stop: You get about two hours around the old pirate bay, with white rocks, caves, and clear water.
• Poliegos adds something different: Galazia Nera is a lagoon-like stop on a neighboring island, and it is one of the most memorable parts of the route.
• Food is a serious strength: Expect snacks, fruit, a substantial Greek lunch, drinks, sweets, and alcoholic beverages.
• The route can change: The skipper may reverse the order of stops or adjust the program when wind and sea conditions require it.
• Bring sun protection: Shade is available, but you will spend many hours exposed to strong Greek sun.
• Transport is slightly unusual: You start at Milos Adventures in Adamas, finish around Pollonia, and are brought back to Adamas by van according to the stated plan.

Why this cruise is one of the best ways to see Milos

Milos has plenty of good beaches, but its most striking coast is often inaccessible from land. A road can bring you near a bay, yet it cannot take you inside a sea cave or alongside the pale volcanic cliffs at Kleftiko.

This cruise makes the boat itself your base for the day. You can sit in the sun, retreat to the shaded areas, swim directly from the stern, and return to a plate of food without packing and unpacking your beach gear every hour. That simple rhythm works well: sail, swim, eat, rest, and repeat.

The experience lasts about nine and a half hours and costs $253.97 per person. That is not a cheap boat ride, but it includes a full day on the water, lunch, snacks, bottled water, soft drinks, alcoholic drinks, a guide, and snorkeling equipment. The value improves if you would otherwise pay for several separate beach transfers, meals, and boat excursions.

The group size matters, too. With no more than 22 people, the boat should feel less like a floating excursion platform and more like a shared day out. The crew has room to help with masks, pool noodles, food, and photos. Several accounts also describe plenty of seating, with a better choice of shade than many boats offer.

Leaving Adamas and passing Milos’s fishing villages

You meet at Milos Adventures in Adamas for a 9:00 a.m. departure. The cruise begins by crossing Milos Bay, giving you a broad view of the coast before the swimming stops begin.

Along the way, you pass Skinopi, Klima, Areti, and Fourkovouni. These old fishing settlements are known for their small seaside houses called sirmata. Their bright doors and colorful fronts were once tied to boat storage and fishing life, so they offer a useful glimpse of Milos beyond its beaches.

The pace here is unhurried. The crew may explain what you are seeing, but this is not a museum-style tour. Much of the pleasure comes from sitting on deck and watching the shoreline change from settled bays to bare rock.

You also pass the Arkoudes rock formation, named for its resemblance to a bear. This is a quick visual stop rather than a place where you get off the boat, so have your camera ready.

Kalogries: an easy first swim

The first planned swim is at Kalogries, a natural bay near Cape Vani. The stop lasts about 40 minutes, giving you time to get used to entering the water from the catamaran.

Kalogries is a good opening stop because the clear water and sheltered setting let you settle into the day before the longer swim at Kleftiko. If you are not a strong swimmer, ask for a life jacket or pool noodle. The equipment is available, and you do not need to treat the first swim as a test of athletic skill.

You should still bring your own towel. The boat provides swimming and snorkeling equipment, although one account specifically noted that masks were available but snorkels were not always supplied. Bringing your own mask and snorkel is wise if underwater viewing is important to you.

The sun can catch you quickly here. Apply sunscreen before boarding and keep a shirt or cover-up close by for the sailing stretches.

Sikia Cave and the unusual roof opening

After Kalogries, the boat heads toward Sikia Beach and its famous cave. The cave has a large opening in the roof, so sunlight enters from above while the sea opens out toward the boat.

The visit is mainly for viewing rather than a long beach stop. You may see the cave from the water and take in its unusual shape before continuing along the coast. This is one of those places where the boat gives you the right angle. From land, you would not get the same sense of how the cave connects sky and sea.

Sikia also shows the volcanic character of Milos. The island’s coast is full of pale rock, carved openings, and layers shaped by wind and water. You do not need a geology lesson to appreciate it, but the variety helps explain why a sailing day here feels different from a standard beach transfer.

Kleftiko: the centerpiece of the day

Kleftiko is the big reason many people book this cruise. The former pirate hideout is a maze of white rock towers, coves, and sea caves. The water is clear enough for you to see rock formations below the surface, and the crew can guide you toward the best places to swim and snorkel.

The stop lasts roughly two hours, although the schedule can change with wind and sea conditions. That is enough time to swim, enter some of the caves, take photos, and return to the boat for lunch without feeling rushed.

Kleftiko is not a typical sandy beach stop. You are primarily using the catamaran as a floating platform. If you want to explore the caves, you need to be comfortable swimming from the boat. Pool noodles and life jackets help, but you should still judge the conditions honestly.

This is also where the food service becomes part of the experience. The crew prepares lunch on board while you swim. The meal has been described as a broad spread of homemade Greek dishes, with enough for second and third servings. Fruit after an early swim, cakes or other sweets later, and a selection of drinks add more than the basic sandwich-and-water setup found on many boat trips.

Food requirements should be given when you book. The crew has accommodated allergies and prepared alternative desserts when needed, but advance notice is essential.

Gerakas, Firlingos, and the old sulfur mines

After Kleftiko, the route continues past Gerakas and Firlingos. Gerakas is known for its beach and hot spring, while Firlingos adds another colorful coastal setting.

These stops are more about the view from the catamaran than a long stay ashore. You may pass close to the beach, pause for photos, or see the water and rock formations while continuing toward the final swim. The changing scenery keeps the day from becoming a series of identical stops.

The abandoned sulfur mines add a different note. Milos has a long industrial past tied to its mineral-rich ground, and the old mine buildings and shoreline give you a glimpse of that side of the island. This is not a polished resort coast. The mix of raw rock, old industry, and bright water is part of what makes the western route so striking.

Galazia Nera on Poliegos

The final major stop is Galazia Nera on Poliegos, a nearby island. The bay is shaped by geological formations that create a lagoon-like setting, with especially clear blue water.

The scheduled stop is about 50 minutes. By this point, you have already had a full day of swimming, so the shorter pause is welcome. You can take one last swim, float near the boat, or simply sit on deck and enjoy the color of the water.

This stop also explains why the full-day trip costs more than a shorter Milos sailing. The half-day option does not include the final one or two stops, while the longer route reaches Poliegos after crossing more open water. The crossing can be choppy, especially in summer wind, but the reward is a setting that feels distinct from the coves around Milos.

If you are prone to seasickness, sit near the center of the catamaran during the open-water stretch and avoid starting the day with an empty stomach. Breakfast is not included, so eat something before departure.

Food, drinks, and the onboard atmosphere

The food is one of the strongest reasons to consider this particular cruise. Lunch is served after the Kleftiko swim and includes several Greek dishes prepared by the crew. Fresh fruit, desserts, snacks, water, soft drinks, beer, wine, and other alcoholic drinks are included.

The meal is not just a useful break between swims. It gives the day a local, generous feel. Some crew members have family recipes in the mix, including baklava prepared by Elya’s mother. The combination of home-style food and a simple deck setting is more memorable than a formal restaurant meal.

Music may be played during parts of the sailing, but the mood can depend on the group and the skipper. You might get a lively soundtrack, or a quieter ride with more attention on conversation and the sea.

The catamaran has both sun and shaded seating. That matters on a nine-and-a-half-hour outing. Still, shade is not the same as full protection, so bring a hat, sunglasses, sunscreen, and a light cover-up.

Is $253.97 good value?

At $253.97 per person, this is a premium day trip. You are paying for more than transport from one beach to another.

The price includes:

• Catamaran sailing
• A guide and crew
• Lunch
• Snacks and fruit
• Bottled water and other drinks
• Alcoholic beverages
• Snorkeling equipment
• Van transport back to the starting area according to the stated plan

The full day and small group are the main value points. You get several remote swimming locations, Kleftiko, Sikia, and Poliegos in one outing. You also avoid arranging separate food and beach transport.

It is less appealing if you dislike group activities, rarely swim, or mainly want to sit on a sandy beach. Much of the day is spent on the boat or in the water, and the route may change when conditions are rough.

There is also a transport detail to check carefully. The stated plan has you disembark in Pollonia and return to Adamas by van, but one booking experience resulted in an Adamas finish and an extra taxi ride to Pollonia. Confirm the end-of-day transfer with the operator before you go, especially if your accommodation is in Pollonia.

Who should book this Milos catamaran cruise?

I would choose this for couples, families with older children, and small groups of friends who want a full day at sea rather than a quick sightseeing trip.

It is particularly good for you if:

• You want to visit Kleftiko without arranging a private boat.
• You enjoy several swims rather than one long beach stay.
• You like Greek food and want lunch included.
• You prefer a smaller boat group.
• You want to see Poliegos as well as Milos.
• You appreciate a relaxed crew that helps with swimming and food.

I would think twice if you have limited mobility, do not feel safe entering the water from a boat, or need a firm schedule. The skipper can alter the route, reverse the order, or change stops because of weather. Children under seven cannot join, and the activity is not suitable for people with mobility problems.

Bring a towel, swimsuit, sunscreen, hat, sunglasses, a cover-up, and your own snorkel if you have one. A waterproof phone case or underwater camera is also useful, since the water around the caves can be exceptionally clear.

Should you book it?

Yes, if you want to see the best of Milos from the sea and are happy with a long, active day. Kleftiko and Galazia Nera justify the route, while the generous lunch and small group make the $253.97 price easier to accept.

I would not choose it simply because you want a quiet boat ride. There is strong sun, possible rough water, and repeated swimming stops. For the right kind of day, though, this is one of the most complete ways to experience Milos: dramatic rock, old fishing villages, sea caves, home-cooked food, and water you will remember long after you leave.

FAQ

Where does the cruise start?

The cruise starts at Milos Adventures in Adamas at 9:00 a.m.

Where does the cruise finish?

The stated arrangement is disembarkation in Pollonia followed by van transport back to Adamas. Confirm the final transfer with the operator, since the end point may change.

How long does the cruise last?

The experience lasts approximately 9 hours and 30 minutes.

What is included in the price?

The price includes the catamaran sailing, guide, snacks, lunch, beverages, bottled water, alcoholic drinks, and snorkeling equipment.

Is breakfast included?

No. Breakfast is not included, so you should eat before the 9:00 a.m. departure.

Is lunch served on the boat?

Yes. Lunch is prepared and served on board, usually after the Kleftiko swimming stop.

Can dietary requirements be accommodated?

You should provide any specific dietary requirements when booking.

Is snorkeling equipment provided?

Snorkeling equipment is included. Some equipment details can vary, so bringing your own snorkel is sensible if you want to snorkel extensively.

Is the cruise suitable for young children?

No. The cruise is not suitable for children under seven years old.

Can the route change because of weather?

Yes. The skipper may change the program or reverse the order of stops depending on weather and sea conditions.

What happens if the cruise is canceled because of bad weather?

You can be offered another date or a full refund if poor weather causes the cancellation.

What is the cancellation policy?

You can cancel at least 24 hours before the start time for a full refund. Cancellations or changes made less than 24 hours before departure are not refunded.