Round of Milos and Poliegos Sailing boat snorkelling cruise

The best part of this Milos sailing trip is simple: it takes you to beaches and coves you cannot reach by road. You swim from the boat in clear water, explore the caves around Kleftiko, and see Poliegos, Greece’s largest uninhabited island, in one long day at sea. I especially like the multiple swim stops and the included homemade lunch, drinks, snorkeling gear, and underwater GoPro photos.

I also like the small-group format, though the supplied details list both 12 and 16 as the maximum, so check the exact boat when booking. The main drawback is the length. Nine hours on a compact sailing boat can feel tiring, especially if the boat is full or strong wind changes the route.

Key points to know before booking

• Kleftiko is the star stop: Expect white and gray rock, sea caves, underwater passages, and very clear water.
• You get several chances to swim: Kalogries, Kleftiko, Gerakas, and Poliegos each offer time in the water.
• Lunch and drinks are included: The boat serves homemade food with vegetarian and vegan choices, plus beer, wine, local spirits, soft drinks, fruit, snacks, and water.
• The trip lasts about nine hours: This is a full day on the sea, not a quick sightseeing cruise.
• GoPro photos cost nothing extra: The crew takes photos, including some underwater images, and sends them by email later.
• Wind can change the plan: One sailing went north instead of south because of conditions, so treat the route as weather-dependent.

Why this Milos sailing trip is worth considering

Milos is at its best from the water. Roads reach some of the island’s famous beaches, but they cannot take you into every small bay, past every mine, or beside the pale rock walls of Kleftiko. This cruise gives you a broad view of the coast without asking you to arrange several separate boat rides.

At $193.57 per person, it is not a budget outing. Still, the price covers nearly a full day, lunch, drinks, snorkeling equipment, snacks, water, WiFi, and photos. You are paying for access to remote places as much as for the boat ride itself.

The food adds real value. The menu is described as homemade and includes vegetarian and vegan preferences. One particularly strong account praised food prepared by Dina, while other passengers found the meal plentiful and filling. Expectations should stay sensible: this is boat food, not a restaurant meal, and one less favorable account found it disappointing.

The crew is another important part of the day. Names associated with different trips include Andreas, Stavros, Spiros, Dina, Yannis, Panos, and Captain Nick. Do not assume a particular person will be aboard, but the service can be warm and personal. The best trips appear to benefit from crew members who explain the sites, help people feel comfortable in the water, and make an effort to speak with everyone.

Starting at Adamantas at 9:00 a.m.

The meeting point is listed at PCFW+PJ Adamantas, and the cruise returns there at the end of the day. Hotel pickup and drop-off are not included, so you need to make your own way to the departure point.

A 9:00 a.m. start makes sense for a day with so many stops. You will spend much of the morning and afternoon outdoors, so bring sunscreen, a hat, and a towel. Towels are not supplied. The boat has WiFi, but the connection can be weak, particularly away from the island.

The cruise is offered in English, though the guide may be multilingual. Confirmation arrives at booking, and the activity requires suitable weather and a minimum number of bookings. If bad weather cancels it, you can choose another date or receive a full refund.

Cape Vani and Milos from the sea

Cape Vani gives the day an unusual opening. This is not only a pretty coastal viewpoint. The cape contains an abandoned manganese and iron mine used in the 19th century, with a large opening at the water’s edge and rock walls marked by black and ruby-red layers.

From the boat, you can photograph the old mine and hear the crew explain its past. The setting is stark rather than soft and sandy, and that contrast makes it useful early in the trip. Milos is famous for pale beaches and turquoise water, but its mining story helps explain the island’s unusual colors and geology.

You do not need to plan a long walk here. This is mainly a boat-based viewing and photography stop.

Kalogries: a quiet first swim

Kalogries lies on the western side of Milos and is reached by boat. The bay has clear turquoise water and two small beaches on its northern and eastern sides. The stop lasts about 30 minutes.

This is a good introduction to the rhythm of the cruise. The crew gives you time to get in the water, swim, snorkel, and have fruit or drinks before moving on. It is short, so think of Kalogries as a refreshing swim rather than a beach visit.

The fact that the bay is inaccessible by road is part of its appeal. You see a quieter section of the coast without spending the day on a difficult land excursion. If you prefer long swims or want to sit on shore, the limited time may feel rushed.

Kleftiko and its sea caves

Kleftiko is the main event. Its name means a place of thieves, referring to the pirates who once used the area as a hiding place. Today, the attraction is the striking mix of white and gray rock, bright water, caves, and passages beneath the cliffs.

You are given masks and flippers, with the crew offering advice on how to explore the area. The water is described as exceptionally clear, making this the best stop for snorkeling. The boat remains your base, and you explore the water at your own pace.

Keep your expectations realistic about the caves. The crew docks or anchors the boat, but it does not escort you through every opening. If you enter a cave or passage, you do so on your own judgment and at your own risk. This matters if you are not a confident swimmer.

Kleftiko lasts about one hour. That is enough time for a swim and a look around, but you may wish it were longer. The crew also uses a GoPro camera here, including underwater shots, and sends a set of images by email later. This is a useful extra because it lets you enjoy the water rather than trying to handle your phone.

Gerakas and lunch beside the perlite cliffs

Gerakas is another beach reached only by boat. Huge slides of pale perlite sand form the setting, with clear emerald water along the shore. The scenery is stark and memorable, with a different character from Kleftiko’s caves and rock walls.

The schedule allows about 40 minutes here, including time for lunch and swimming. The supplied timing is a little inconsistent with the description, which also refers to about an hour and a half, so expect the actual stop to depend on weather, boat movement, and the captain’s plan.

Lunch is one of the practical strengths of this trip. Homemade food is included, along with vegetarian and vegan choices. Drinks include bottled water, soda, beer, wine, and local Greek spirits. Alcohol is available only to those aged 18 or older.

You should not treat this as a formal meal service with unlimited time. The boat needs to keep moving, and the stop may feel brief if you want both a full lunch and a long swim. Still, having food aboard saves you from arranging a separate meal during a remote-coast excursion.

The old sulfur mines from the water

The old sulfur mines lie on the southeastern side of Milos. They date to 1856 and were abandoned in 1956. The site is remote and is best seen from the sea, so the boat offers a useful angle that a standard island drive cannot provide.

This is a sightseeing segment rather than a major swim stop. It adds another layer to the island’s story, showing how mining shaped parts of Milos long before the island became known for beach trips and sailing.

Poliegos and Galazia Nera

Poliegos is the largest uninhabited island in Greece, and the cruise’s main stop there is Galazia Nera, or blue waters. The sea is prized for its intense color and transparency. You get about 30 minutes to swim, snorkel, or try stand-up paddling, followed by snacks and drinks.

This stop works well late in the day because it is less about a major site and more about enjoying the water. If the conditions are calm, the combination of snorkeling and paddleboarding gives you a little choice in how active you want to be.

Do not count on every optional activity appearing on every trip. One outing did not include snorkeling or paddleboarding, though the overall boat day still worked well. Equipment and conditions can affect what is available.

Klima and the unusual Seagull Islands

Klima is a colorful fishing village with a strong connection to Milos history. It was the island’s first capital, and the Venus de Milo statue was found here. From the boat, you can photograph the village while the crew explains some of the island’s past.

The cruise also passes the Seagull Islands, whose name refers to their association with seabirds. They are a rare geological formation made from lava that cooled into hexagonal tubes. This is a short viewing stop, but it adds a scientific detail to a day otherwise centered on swimming and beaches.

These sights are best understood as passing highlights rather than long shore visits. If your main goal is to walk through villages or explore archaeological sites, this cruise is not a substitute for time on land.

What the boat day feels like

A full day at sea has a particular rhythm: sit, watch the coast, swim, eat, dry off, and repeat. Many people will love that relaxed pace, especially with music, drinks, and friendly crew members helping the day along. Others may find the nine hours long, particularly if they want constant activity.

Boat size matters. The tour is presented as a small-group experience, with details referring to a maximum of 12 and elsewhere to 16 passengers. One account found the smaller boat too cramped for 16 people, while another praised the personal feel of a smaller group.

If space is important to you, ask which boat is operating on your date and how many people are booked. A quiet day with fewer people will feel very different from a full boat where seating is limited.

The route also depends on wind. One trip did not go south and instead visited the northern coast because of conditions. That is normal for sailing in the Cyclades, but it means you should not book this trip expecting every stop to be guaranteed in the exact order listed.

Who should book this cruise?

I would choose this trip if you want to see remote Milos beaches without arranging transport, and if you enjoy swimming more than walking. It suits couples, friends, solo visitors, and families with participants who are comfortable getting in and out of the water.

It is also a good fit if you value the extras. The included meal, drinks, snorkeling equipment, WiFi, and GoPro images make the cost easier to justify than a bare sightseeing cruise.

I would hesitate if you dislike long boat rides, need lots of personal space, or want a tightly fixed schedule. It is not recommended for people with mobility impairments, and the crew does not provide towels. The cave areas also require personal care and sensible swimming ability.

The strongest parts of the day are the repeated water stops, Kleftiko, Poliegos, and the crew’s personal service. The weak points are the possible crowding, changing route, and occasional uneven food or equipment experience.

FAQ

How long does the Milos and Poliegos sailing cruise last?

The cruise lasts about nine hours.

Where does the cruise start?

It starts at PCFW+PJ Adamantas in Adamantas, Milos.

What time does the boat leave?

The listed start time is 9:00 a.m.

Does the cruise return to Adamantas?

Yes. The activity ends back at the meeting point.

Is lunch included?

Yes. Homemade food is served, with vegetarian and vegan preferences covered.

Are drinks included?

Yes. Bottled water, soda, beer, wine, local Greek spirits, fruit, and snacks are included. The minimum drinking age is 18.

Is snorkeling equipment provided?

Yes. Snorkeling equipment is included.

Are towels provided?

No. You need to bring your own towel.

Will I receive photos from the cruise?

Yes. The crew uses a GoPro to take photos, including some underwater images, and sends the set to you by email later.

Can bad weather cancel the cruise?

Yes. If poor weather causes cancellation, you will be offered another date or a full refund. The cruise also requires a minimum number of participants.

Should you book it?

Book this sailing trip if you want one full day focused on Milos’s coast, with several swims, remote beaches, Kleftiko caves, Poliegos water, lunch, drinks, and photos included. It offers strong value for an active day, but only if you are comfortable with nine hours aboard a potentially compact boat.

Before paying, confirm the expected passenger count and operating boat. Bring a towel, hat, sunscreen, and realistic expectations about weather changes. If those details suit you, this is one of the most efficient ways to experience the parts of Milos that roads cannot reach.