Adamantas is one of the most exciting spots for boat tours and cruises in Greece, thanks to its prime location on Milos Island. With crystal-clear waters, dramatic coastlines, and access to hidden caves and isolated beaches, it’s no wonder boat trips here are so popular. We’ve personally enjoyed tours that combine scenic sailing with opportunities to snorkel in caves like Kleftiko or explore uninhabited islands such as Polyaigos. The variety of options—from full-day adventures to intimate private cruises—means there’s something for every traveler. Whether you’re after a laid-back day with drinks and good food or an active snorkeling excursion, Adamantas delivers.
One of our favorites is the Adamas: Milos & Polyaigos Full-Day Sailboat Tour with Lunch. It offers a 10-hour adventure that circumnavigates Milos and visits the stunning Polyaigos Island, with plenty of swimming, snorkeling, and a delicious onboard lunch. For a more luxurious feel, the Kleftiko Morning Catamaran Cruise provides a semi-private morning escape with unlimited drinks and the chance to snorkel through caves. Both tours highlight Milos’ best features, making them ideal for travelers wanting a memorable day on the water.
1. Adamas: Milos & Polyaigos Full-Day Sailboat Tour with Lunch
At number 1 on our list, this full-day sailboat tour combines the best of Milos with a visit to the uninhabited Polyaigos Island, famous for its crystal waters. The trip lasts around 10 hours, and the itinerary features stops at Sarakiniko Beach, Glaronesia, Thiorichia Beach, Gerakas, and Kleftiko — one of the island’s most iconic caves. What sets this tour apart is the combination of snorkeling in emerald waters, exploring sea caves, and learning about Milos’ history from your knowledgeable guide. Lunch and drinks are served onboard in a scenic setting, making this a well-rounded experience that appeals to those seeking both adventure and comfort. The reviews emphasize how memorable the guide Nikki was, with travelers describing her as warm and accommodating, making the day feel like a trip with friends rather than a tour.
Bottom Line: A comprehensive, all-day experience perfect for travelers who want to maximize their time on Milos, with plenty of swimming and local stories.
2. Adamas: Kleftiko Sailing Day Trip with Snorkeling and Lunch
For around $136, this 8-hour adventure on a luxury yacht hits the mark for those who prefer a day focused on exploration, snorkeling, and quality time on the water. The trip includes stops at Kleftiko caves, Klima, and Milos’ traditional fishing villages, giving you a taste of island life. The highlight is the guided snorkeling tour around Kleftiko, with crew members taking underwater photos — a great bonus for capturing memories. The crew is praised for their personable approach, and reviews note that weather considerations led to flexible plans, which kept everyone safe and happy. The itinerary also features a visit to the abandoned manganese mines at Cape Vani, adding a touch of local history to your day.
Bottom Line: A fantastic choice if you want a luxurious, well-organized day with excellent snorkeling, tasty onboard Greek lunch, and a small-group vibe.
3. Adamantas: Full-Day Milos & Poliegos Boat Tour with Meals
Tour number 3 offers a 10-hour cruise that combines scenic sailing with a full onboard meal service, including breakfast, lunch, and an open bar. Departing from Adamantas, this trip explores Milos and Poliegos, two islands famed for their volcanic landscapes and stunning waters. The itinerary features stops at Klima, Arkoudes, Sarakiniko, and Poliegos, with plenty of swimming and snorkeling opportunities. The open bar and freshly prepared meals set this trip apart, offering a relaxed, all-inclusive experience. Travelers praise the crew’s friendliness and the chance to capture breathtaking photos close to the shore. Plus, the inclusion of a guided commentary helps deepen your appreciation of the scenery.
Bottom Line: Perfect for travelers wanting a full-day, all-inclusive experience with good food, drinks, and scenic stops.
4. Milos: Full-Day Sailboat Cruise with Food and Open Bar
This 9-hour trip is ideal for those seeking a classic sailing adventure with plenty of swimming, snorkeling, and regional cuisine. Departing from two convenient locations, the tour takes you to Kleftiko, Poliegos, and Milos’ charming fishing villages. A highlight is the onboard lunch, paired with an open bar, giving you a relaxing and social atmosphere. Reviewers note the trip offers great value—a chance to explore multiple beaches and caves without feeling rushed. The itinerary includes scenic stops at Blue Bay, Glaronisia, and Sarakiniko, ensuring a varied day of adventure. The crew is known for their professionalism and friendly service, making this a top pick for those wanting a bit of everything.
Bottom Line: A versatile full-day cruise for anyone who loves sailing, swimming, delicious food, and a lively onboard vibe.
5. Milos: Kleftiko Morning Catamaran Cruise with Lunch & Drinks
For those preferring a more intimate experience, this semi-private cruise on a luxury catamaran lasts about 5.5 hours. It departs in the morning, giving you time to enjoy the rest of your day in Milos. The trip includes swimming, snorkeling, and paddleboarding in Kleftiko Bay, with unlimited drinks and a fresh Mediterranean lunch onboard. Travelers love the relaxed atmosphere and the chance to create personal memories amid beautiful scenery. The boat’s size means fewer people, making it excellent for families or couples seeking privacy. Many reviews mention how the crew’s attentiveness heightened the experience, and the food quality exceeded expectations.
Bottom Line: Ideal for travelers who want a semi-private, relaxing boat trip with active options and good food.
6. Milos: Kleftiko & Poliegos Catamaran Trip with Meal & Drinks
This 10-hour cruise takes you around Milos and Poliegos on a modern, friendly catamaran. You’ll swim at Kleftiko, Gerakas, Sarakiniko, and Blue Lagoon—each offering different scenery. The trip emphasizes unlimited Greek food, beer, wine, and soft drinks, making it perfect for those who want to relax and indulge. Reviews highlight the beautiful locations visited, the generous meals, and the friendly skipper who creates a casual, welcoming atmosphere. The itinerary is packed with multiple swimming stops, ensuring plenty of chances to cool off.
Bottom Line: A great choice for travelers wanting an all-day, all-you-can-eat-and-drink cruise with lots of swimming.
7. Kleftiko Trip Catamaran: Half Day | Lunch & Open Bar
This half-day cruise is ideal if you’re short on time but still want a taste of Kleftiko’s beauty. The trip includes a delicious onboard lunch and open bar, with stops at Skinopi Beach, Klima, and Sykia Cave. The crystal waters and colorful rock formations make for memorable photos, and the crew’s friendly attitude is often praised. The shorter duration makes it perfect for travelers with tight schedules or those who prefer a relaxed afternoon at sea. Reviews rave about the quality of the food and the enjoyable, informal vibe onboard.
Bottom Line: Perfect for a quick but quality experience with good food and stunning scenery.
8. Adventurous Boat Tour to Kleftiko & Sykia Caves
This 8-hour tour is aimed at those wanting to explore lesser-known caves and beaches around Milos. Its emphasis on private beaches, caves, and local culture makes it stand out. The boat visits the colorful Sirmata and ancient catacombs, adding a historical touch. The tour is led by a skilled team passionate about sharing Milos’ natural beauty. Reviewers note the dazzling scenery and the personalized service as major highlights. The tour’s smaller scale means more flexibility and an intimate experience.
Bottom Line: Best suited for travelers interested in a more private, less touristy cruise with a focus on caves and cultural sites.
9. Adamantas: Kleftiko Sailing Cruise with Meal and Swim Stops
This 7-hour cruise offers a relaxing yet active way to see Milos’ highlights. With swimming stops at Kleftiko and Kalogries Beach, and a homemade Greek meal onboard, it’s perfect for travelers who want an easy day on the water. The review mentions the incredible views and the friendly crew who bring a local touch to the experience. The trip is praised for its balanced mix of activity and relaxation, making it a good option for families or less energetic travelers.
Bottom Line: A solid choice for those wanting a shorter, relaxed sailing experience with tasty food.
10. Full Day Small-Group Cruise in Milos & Poliegos with Lunch
This 8-hour small-group cruise offers a more personalized experience. With just a handful of travelers, you get to visit 4 swimming and snorkeling spots, including Poliegos, and enjoy a delicious BBQ meal. The reviews highlight Nancy and Adonis’ hospitality, with one traveler noting how Nancy went out of her way to accommodate a late arrival. The trip includes access to remote beaches and scenic views that larger tours might miss. It’s perfect for travelers seeking intimacy and flexibility.
Bottom Line: Best for those who want a more exclusive, flexible experience with excellent food and swimming.
11. Milos: Private Half-Day Catamaran Cruise to Kleftiko Bay
This private tour is ideal for families or groups celebrating special occasions. Over about 5.5 hours, you’ll enjoy customized routes around Milos, with stops at Kleftiko, Sarakiniko, and other scenic sites. Activities include swimming, snorkeling, and relaxing onboard with a tailored itinerary. Reviews emphasize the luxury, privacy, and personalized attention from the crew. The boat can accommodate up to 10 people, making it a premium experience for those wanting exclusivity.
Bottom Line: Perfect for groups seeking a personalized, luxury boat trip with flexible destinations.
$2,146 per group up to 10
12. Milos: Private Motor Yacht Cruise to Kleftiko & Sykia
Finally, for travelers with a larger budget and a desire for complete privacy, this up to 8-hour private motor yacht cruise caters to groups of up to 4. It offers the chance to explore Kleftiko, Sykia Cave, and other sites on a custom route. The emphasis is on luxury, flexibility, and exclusive access. The reviews mention how unforgettable and stress-free this experience is, with dedicated crew ensuring your every wish is met.
Bottom Line: The top choice for families or friends wanting a fully tailored, private yacht experience on Milos.
$2,417 per group up to 4
How to Choose the Perfect Boat Tour in Adamantas
When selecting a boat tour, consider your budget, the length of the trip, and whether you prefer a small, intimate experience or a larger group. For example, if you want a quick taste of Kleftiko, the Half-Day Catamaran offers a shorter but equally scenic adventure. If your goal is a full immersion with plenty of swimming and local cuisine, the Full-Day Sailboat Cruise is a strong choice. For those celebrating special occasions or seeking privacy, the Private Yacht Cruises allow total customization.
Timing is also key—most tours operate from spring through late autumn, with the summer months offering the best weather. Book early, especially for private or semi-private trips, as they tend to fill up fast.
Final Thoughts
Whether you’re after a full-day adventure, a luxurious private cruise, or a snorkeling trip to Kleftiko, Adamantas has a boat tour perfect for your style. For active travelers, the adventurous caves tour offers a more intimate, cultural experience. If you prefer relaxed luxury with top-notch food and drinks, the catamaran tours are hard to beat.
No matter your choice, booking early guarantees you a spot on these popular trips. With options ranging from budget-friendly to ultra-luxury, everyone can enjoy the stunning waters and dramatic coastlines of Milos. Now, all that’s left is to pick your favorite and set sail for unforgettable memories.