Review · SEA CAVE TOURS
From Milos: Half-Day Private Cruise to Kleftiko & Sikia Cave
Kleftiko is the main event, but the best part of this private cruise is the slow approach. Instead of racing straight to the famous rocks, your skipper can take you through the coastal caves near Tsigrado, Fyriplaka, and Gerontas, then bring you into Kleftiko’s white volcanic formations. I especially like the chance to enter some caves by boat and the easygoing swim at Gerakas, where pale sand runs down into clear water.
I also like the small, personal touches: homemade snacks, local white wine, cake, and an underwater GoPro whose photos and videos are sent to you afterward. Captain Babis has earned praise for explaining the coast and helping people in and out of the water. The main drawback is simple: four hours passes quickly, and rough sea conditions could affect how much time you spend swimming or entering caves.
Key points to know before booking

- Kleftiko gets about 100 minutes: You have time for swimming, cave visits, and close views of Milos’s famous white rock formations.
- Sykia is a roofless cave: The boat enters this open-topped cavern, giving you a very different view from the usual sea cave.
- Gerakas is the best swimming stop: Its white and pink sand slope meets clear water that works well for snorkeling.
- This is private for up to four people: You are paying $530 for the group, not per passenger.
- Photos are included: An underwater GoPro10 is provided, and the operator sends the images and video afterward.
- Bring your own sun protection: Towels, sunscreen, hotel transfers, and sun cover are not included.
Why Kleftiko is worth the boat ride

Milos is famous for unusual volcanic rock, and Kleftiko is where that geology makes its biggest impression. Bright white cliffs rise from the sea in sharp forms, with openings and sea caves cut into the rock. From a boat, you see the coast at its best because the rock formations continue below the waterline.
The long Kleftiko stop, listed at about 100 minutes, gives this cruise an advantage over a quick sightseeing run. You can swim, look into the caves, and take photos without treating the whole visit as a single rushed pass. The captain may bring the boat close to the cave entrances, but the exact route depends on sea conditions and boat traffic.
One useful detail is the skipper’s approach. Captain Babis has been praised for driving carefully, explaining the sights, and helping people climb in and out of the water. Another captain, identified in feedback as Christof, was noted for taking time with the smaller caves instead of hurrying toward Kleftiko. That matters here. The coast is not only about one famous stop. The small openings along the way can be just as memorable when you have time to see them properly.
You should still expect movement on the boat and a wet boarding area. Wear a swimsuit under your clothes, keep phones in a protected case, and listen closely when the skipper gives instructions near the rocks.
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The route from Provatas to the western coast

The meeting point is Provatas Beach. Look for the black flag marked Nereides Cruises, then board the powerboat for the southbound run along Milos. Hotel pickup is not included, so you need to arrange your own way to the beach.
The route includes Tsigrado, Fyriplaka, Gerontas, Gerakas, Kleftiko, and Sykia Cave. It is a busy four-hour plan, but the boat makes it possible to see several very different coastal settings in one outing. Some places receive only a short pass, while Kleftiko and Gerakas receive the most time.
The boat is described as brand new, and fuel is included in the price. You will have a private skipper and guide rather than sharing the outing with a large group. That gives you more room to ask questions, request music, and spend longer at the places that appeal to you most, within the fixed tour time.
Tsigrado, Fyriplaka, and Gerontas

Tsigrado and Fyriplaka are part of the early coastal sightseeing portion. Tsigrado is scheduled for roughly 10 minutes, so think of it as a scenic pass rather than a full beach stop. The coast here is known for dramatic volcanic forms, and seeing it from the water avoids the need to deal with a difficult shore approach during this short cruise.
The route also includes Gerontas, with about 20 minutes for cruising and swimming. That gives you a chance to get into the water before or after the main Kleftiko visit. Timing can matter in summer, and a private skipper may adjust the order of stops to avoid the worst crowding. One particularly useful piece of feedback praised the captain for choosing quieter moments at different places.
Do not expect long beach time at every stop. The strength of this trip is variety: one short coastal look, one swim, a cave visit, and then a longer stop at the major sight. If you prefer spending most of a day on one beach, a full-day charter may suit you better.
Gerakas, where pale sand meets clear water

Gerakas Beach receives about 40 minutes, making it one of the more substantial swimming stops. Its defining feature is a broad slope of white and pink sand running down toward the sea. From the boat, that pale shoreline contrasts sharply with the clear water and dark rock around it.
This is a good place to use the supplied snorkeling gear. The water and bottom are described as especially clear, so you can look below the surface without needing a long swim from shore. Snorkeling conditions are never guaranteed, since wind and visibility can change, but the stop is planned with swimming in mind.
Gerakas also gives the outing a quieter rhythm after the more dramatic rock formations. You can stay in the water, sit back with a drink, or use the time for photographs. The boat crew can help you get in and out, which is useful if the side of the boat is moving with the waves.
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Sykia Cave and its open roof

Sykia, also spelled Sikia, is one of the most distinctive stops. This is a roofless cave, meaning its ceiling has collapsed or opened to the sky. The boat can enter the cavern, letting you see the pale walls from inside while sunlight falls through the large opening above.
The scheduled stop is about 15 minutes, so it is brief. Still, it offers something Kleftiko does not: a sense of entering a natural chamber rather than simply cruising past a cliff. Your skipper needs to judge the entrance carefully, especially if the sea is moving. A captain praised for cautious but confident boat handling makes a real difference in a place where space can feel tight.
Bring a camera, but do not make photography your only goal. The light inside Sykia can shift quickly, and the most enjoyable part is seeing the boat move beneath the open ceiling. The included action camera can help you capture the swim and cave views without risking your phone.
Food, wine, music, and the small extras

The included food is simple rather than a full lunch. You receive homemade snacks, a local salad, one bottle of white wine, water, and cake. A small snack described by one passenger included tomatoes, bread or toast pieces, wine, and a cupcake. Treat it as a pleasant bite on the water, not a meal replacement.
The wine and salad fit the setting well, especially after swimming. If you have dietary needs, the supplied information does not specify alternatives, so ask the operator before booking. You should also bring extra water if you know you drink more than usual in the sun.
Music is provided, and you can bring your own playlist. On a private boat, this is a nice detail because you do not need to match the mood of a large mixed group. Keep the volume low enough to hear the skipper’s instructions, particularly when approaching caves or swimming areas.
The GoPro10 is one of the strongest practical extras. You can record underwater clips and take photographs during the cruise, then receive the content afterward at no additional charge. This is useful if you want to swim without holding your phone, though you should still confirm how and when the files will be delivered.
What $530 means for a group of four

The price is $530 for up to four people, making the cost roughly $132.50 per person if you fill every place. For two people, the same private boat becomes much more expensive per person, but you gain privacy, a flexible feel, and a skipper focused only on your group.
The value is strongest for a family, two couples, or friends who want a half-day on the water without joining a crowded boat. Fuel, skipper, guide, snorkeling equipment, snacks, water, wine, and the photo package are included. You are also paying for access to several sites in a short period, not simply transportation to Kleftiko.
The price is less compelling if your main aim is one quick look at Kleftiko and nothing else. A shared cruise may cost less, although it will not offer the same private setting. You should also budget for transport to Provatas, towels, sunscreen, and any additional food you need.
Who will enjoy this private Milos cruise

I would recommend this cruise to you if you want to combine sightseeing and swimming in a short window. It works especially well for couples on a honeymoon, small families with older children, and friends who prefer a private boat to a large group.
You should be comfortable with a four-hour outing in direct sun and with getting into the sea from a boat. The tour is not suitable for pregnant women or babies under one year. Since no accessibility details are provided, ask the operator directly if you have mobility concerns.
The English and Greek-speaking guide can explain Milos as you travel, and the private format makes it easier to ask about the island’s geology and coastal features. You may also have some say in music and pacing, although the captain remains responsible for the safest route.
Book it if Kleftiko is high on your list but you also want Gerakas, Sykia, and the smaller caves. Skip it if you dislike boats, need a full meal, or want a slow beach day with little movement between stops.
Practical details for a smooth morning or afternoon

Bring swimwear, beachwear, sunglasses, a hat, sunscreen, and a towel. Sun protection is not supplied, and there is little reason to expect much shade on a small powerboat. A waterproof phone pouch is also sensible, even with the included camera.
You need to bring a passport or identity card, though a copy is accepted. The meeting point is Provatas Beach, by the black Nereides Cruises flag. Check the start time when booking because departure times vary with availability.
The tour runs for four hours. Free cancellation is available up to 24 hours before departure, and you can reserve while paying later, which helps if your Milos plans depend on weather or ferry timing. Sea conditions can influence cave access and swimming, so keep a little flexibility in your schedule.
FAQ
Where does the cruise start?
You meet at Provatas Beach in Milos. Look for the black flag marked Nereides Cruises.
How long is the private boat tour?
The cruise lasts four hours.
How many people can join the private boat?
The price covers a private group of up to four people.
What places does the cruise visit?
The route includes Kleftiko, Sykia Cave, Gerontas Beach, Gerakas Beach, Tsigrado, and Fyriplaka.
Is snorkeling equipment provided?
Yes. Snorkeling equipment is included.
Are food and drinks included?
Yes. The cruise includes homemade snacks, water, one bottle of white wine, local salad, and cake.
What should I bring?
Bring sunglasses, a hat, swimwear, a towel, sunscreen, beachwear, and a passport or identity card. Hotel pickup, drop-off, towels, and sun protection are not included.
Should you book this Milos boat tour?
You should book this private cruise if you want the classic Kleftiko experience with more than a quick photo stop. The strong points are the long Kleftiko visit, the chance to enter caves, the clear-water swim at Gerakas, and the personal attention of a skipper such as Babis.
The $530 price makes the most sense for four people. A smaller group pays more per person, but gets a private boat, included fuel and gear, snacks and wine, plus GoPro photos and video. For a compact half-day on Milos, that is a fair package, provided you value privacy and swimming as much as sightseeing.
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