From the Port of Kos: Full Day Boat Cruise to 3 Islands

The best part of this three-island cruise from Kos is the variety. In one day, you get the fjord-like setting of Vathi on Kalymnos, a turquoise swim stop at Plati, and a quiet hour on Pserimos. The boat ride links them all without the hassle of arranging separate ferries.

I like the friendly, attentive crew and the strong value at $35 per person. Lunch is included, vegetarian and meat choices are available, and drinks are sold at sensible prices. The main consideration is that this is a popular shared boat, so seating can feel tight when the boat is full, and rough seas can change the exact stops.

Key points to know before booking

• Vathi gives you the most distinctive scenery: Expect a natural fjord, steep rocky sides, coves, caves, and about an hour to walk through the village.
• Plati is the main swim break: You jump from the boat into clear turquoise water rather than spending a long time on a developed beach.
• Dolphins are a real bonus, not a guaranteed feature: The boat passes fish farms where wild dolphins are sometimes seen.
• Lunch is more substantial than a snack: Meat eaters receive souvlaki with salad, tzatziki, and bread, while vegetarian guests can have beans and dolmades.
• The mood is relaxed rather than rowdy: Soft music, a cash bar, and an easy pace suit families and couples who do not want a loud party boat.
• Bring cash for Pserimos: At least one stop may not accept cards, and you will need your own towel, sunscreen, and sun hat.

A full day at sea from Kos Harbour

The Odyssey leaves from Kos Harbour, opposite the Port Police. Look for the blue boat named Odyssey, and arrive by 9:30 so the crew can check your ticket before departure.

The full excursion is advertised at 450 minutes, or 7.5 hours. That sounds long on paper, but the day is broken into short sailing periods, island walks, lunch, swimming, and time on deck. You are not sitting in the same position for the entire trip.

The first sailing takes about an hour. This is a useful stretch of open-sea time to settle in, find a seat, and enjoy the view of the Dodecanese from the water. The crew uses English, and the captain provides information about the islands along the way. Music plays on board, but the atmosphere is generally calm rather than built around loud entertainment.

The exact feel depends partly on the wind and how crowded the boat is that day. Some people find the seating comfortable for the duration, while others have found it a little close when a full group squeezes into a table area. If you want a good place to sit, arriving on time matters.

Vathi on Kalymnos, a fjord village worth the first stop

The first island stop is Kalymnos, where the boat heads to Vathi. This is the most scenic and distinctive part of the route. Vathi sits at the end of a natural inlet with rocky sides, small gulfs, and cave-like formations. The view from the water gives you a better sense of the setting than a quick drive through a town would.

You have about an hour to walk around. That is enough for a quiet stroll, photographs, and a look at village life, but not enough for a long hike or a detailed visit to every corner. I would treat this as a gentle introduction to Kalymnos rather than a full island tour.

The streets are peaceful, and you may find local specialties available during the stop. Keep your expectations practical: the appeal here is the setting and the chance to step ashore in a traditional village, not a packed sightseeing program.

One useful point is that the schedule can shift. If the captain spends extra time near dolphins or adjusts the route because of conditions, time at the first island may be shorter. Some departures have allowed closer to 30 minutes here while keeping roughly an hour at later stops. That is not a flaw so much as a reminder that sea excursions have moving parts.

Lunch on board, with useful vegetarian choices

After Vathi, you return to the boat for lunch. The meal includes pork or chicken souvlaki, salad, tzatziki, and bread. The vegetarian alternative replaces the meat with beans and dolmades.

I like this setup because the meal is filling and simple. You are getting a proper Greek-style plate while still moving between islands, rather than losing another hour to a restaurant stop. Portions have been described as generous, and the food is served at a sensible point in the day, after the first island visit.

Vegetarians should tell the crew early. The staff has been helpful about arranging the alternative, and the meal can also work for vegans if you leave out the tzatziki. That detail matters because the standard plate includes dairy, but the beans and dolmades provide a workable plant-based option.

Do not expect a polished restaurant meal. This is a boat buffet designed to feed a group efficiently. For a $35 excursion that also includes three islands and swim stops, it is a strong inclusion.

Drinks are not included. There is a bar on board, with cocktails, water, and other refreshments available to buy. Cocktail prices have been reported around €6, while water has been available for about €1 during happy hour. It is worth carrying some cash even if you plan to use the bar only occasionally.

Dolphins near the fish farms

After lunch, the boat passes nearby fish farms, where you may have a chance to spot wild dolphins. This is one of the most memorable possibilities of the day, but it is important to keep it in the right category: dolphins are possible, not promised.

Several departures have seen dolphins close to the boat, sometimes in groups. The captain may circle or slow down when they appear, giving you more time to watch them. Wild animals set the schedule, so you should not book this as a dedicated dolphin-watching cruise.

The fish farms also add a different view of the area. You are not simply sailing from one postcard cove to another. The route passes working parts of the local sea economy, and that makes the trip feel more connected to the region.

Bring a hat and sunscreen, and keep your phone ready if wildlife is a priority. Dolphins can surface quickly, and the best view may be on whichever side of the boat the crew points out. It is also wise to keep your expectations flexible. Some days produce a spectacular sighting, while other days are mainly about the islands and water.

Plati, where the boat becomes the beach

The next sailing takes about 45 minutes, followed by the stop at Plati. Here, the main activity is swimming from the boat in clear, turquoise water.

This is a good fit if you like the freedom of jumping straight from the deck. You can swim around the boat and enjoy the sea without spending time searching for a beach, renting chairs, or walking through a resort area. The water is the star.

Families have enjoyed this section, but you should be comfortable entering the sea from the boat. Bring a towel and swimwear, as neither is supplied. A waterproof phone case is also useful, although it is not listed as required equipment.

Wind can affect the stop. On one departure, conditions made it impossible to dock at Plati, so the crew replaced that part with an extra swimming stop near Pserimos. That is a sensible way to handle changing weather, but it means you should see the itinerary as a plan rather than a guarantee.

There is also a happy hour on board around the swimming stops. Cocktails are available at lower prices, and the bar gives the afternoon a social lift without turning the cruise into a loud party. Music continues, usually at a comfortable level, though anyone seeking total quiet may prefer to sit away from the speakers.

Pserimos, the final island stop

The final stop is Pserimos, where you have about an hour to explore at your own pace. This is a chance to stretch your legs, look around the small settlement, and spend a little time beside the water before the return sailing.

Pserimos feels different from Vathi. The first stop is about a natural inlet and village setting, while Pserimos gives you a more open, unhurried island pause. The hour passes quickly, so I would not plan an ambitious walk. Use the time for a short wander, a drink, photographs, or simply a break from the boat.

Take cash with you. Restaurants and businesses on the island may not accept cards, so do not rely entirely on contactless payment. This is one of those small details that can make the difference between a relaxed stop and a frustrating one.

The route then returns to Kos, with a sailing period of about 30 minutes noted in the schedule. You arrive back at the Odyssey departure point in the evening, usually with enough sea air to make the final ride feel shorter than expected.

How the boat feels during the day

The Odyssey is described as a comfortable boat with plenty of space, but the experience varies with the number of people on board. Most of the time, you can find a pleasant place to sit, move around, and enjoy the views. At peak capacity, some seating areas may feel tight, with more people sharing tables than the layout ideally suits.

That is the tradeoff for the low price. This is not a private yacht charter, and you should not expect quiet personal space or a completely flexible timetable. You are buying a shared day cruise with a set route and a crew working to keep a large group moving.

The crew is the strongest part of the service. Yanni and Yanas are names connected with the operation, and the captain and staff are regularly described as warm, funny, attentive, and willing to help. The crew has assisted with practical problems, including seasickness and minor accidents, and makes an effort to check on people during the day.

Music is part of the atmosphere. The playlist is not always traditional Greek music, and some people might prefer more local songs. Still, the volume has generally suited a relaxed cruise rather than a party boat. If you are comparing this with the louder pirate-style boats around Kos, Odyssey is the calmer choice.

Price, inclusions, and the real value

At $35 per person, this is one of the better-value full-day outings from Kos. The price covers the boat ride to three islands, swimming stops, and lunch with meat or vegetarian choices.

You still pay separately for drinks, and hotel transfers are not included. Towels are also your responsibility. Those exclusions are easy to manage, especially if you are already staying near Kos Harbour.

The value comes from the amount of variety packed into one day. A short village walk, scenic coastal sailing, a filling lunch, wildlife watching, two island stops, and several chances to swim would cost more if arranged as separate trips. You also avoid having to work out local boat connections between Kos, Kalymnos, Plati, and Pserimos.

The main compromise is time. You get a taste of each place rather than a deep visit. An hour at an island is enough to see the main area, but not enough to understand the island in detail. If you want long walks, archaeological sights, or a slow lunch ashore, choose a different excursion.

Who will enjoy this cruise most

I would recommend it to couples, families, and first-time visitors who want a simple day on the water without spending heavily. It works especially well if you want swimming and scenery in equal measure.

Children aged around eight and twelve have enjoyed the trip, and the swimming stop gives younger passengers something active to look forward to. Parents should bring extra sunscreen and hats, since the Greek sun is strong and much of the day takes place outdoors.

Vegetarians and some vegans are also well served if they mention their needs before lunch. People who want a quiet, low-key boat should find the mood a better fit than a loud party cruise.

This may be less suitable if you have serious mobility limitations, although the activity information also describes the boat as wheelchair accessible. Those two details do not fully match, so contact the operator before booking if you need step-free access or assistance moving around the boat and islands.

You should also think carefully if you get seasick. The crew has helped passengers with seasickness medication, but the sea can be choppy, particularly at the front of the boat. Sitting in a more sheltered area and carrying your own remedy may make the day easier.

What to bring for a smoother day

Pack lightly, but bring the essentials:

• Swimwear and a towel
• Sunscreen and a sun hat
• Cash for drinks and purchases at Pserimos
• Water-resistant protection for your phone
• Comfortable shoes for short island walks
• Any personal seasickness treatment you normally use

Wear clothing that can handle spray. When the sea is rough, the front of the boat may be wet, and a sunny morning does not guarantee calm water all day.

The operator allows free cancellation up to 24 hours before departure, and you can reserve now and pay later. Starting times vary, so check the available departure when booking.

Should you book the Odyssey three-island cruise?

Book it if you want maximum variety for a low price. The combination of Vathi’s rocky inlet, Plati’s swim stop, Pserimos’s quiet hour, Greek lunch, affordable drinks, and possible dolphin sightings gives you a full and enjoyable day without much planning.

Skip it if you want a private boat, long stays on one island, or a quiet sailing experience with no music and no crowds. The route is shared, the schedule can change with wind and wildlife, and seating may feel close when the boat is full.

For most visitors staying in Kos, I think the balance is right. You get plenty of sea time, several different settings, a helpful crew, and enough swimming to break up the sightseeing. Bring cash, arrive early, protect yourself from the sun, and treat the dolphins and exact stops as happy extras rather than promises.

FAQ

Where does the cruise leave from?

The cruise leaves from Kos Harbour. Look for the blue Odyssey boat opposite the Port Police.

What time should I arrive?

You should be on the boat by 9:30 for ticket checking before departure.

Which islands does the cruise visit?

The route includes Kalymnos, Plati, and Pserimos. The Kalymnos stop is at Vathi.

How long is the excursion?

The listed duration is 450 minutes, or 7.5 hours. The cruise returns to Kos in the evening.

Is lunch included?

Yes. Lunch includes pork or chicken souvlaki, salad, tzatziki, and bread. A vegetarian option with beans and dolmades is available.

Are drinks included?

No. Drinks are available to purchase on board, including cocktails and water.

Can I swim during the cruise?

Yes. The cruise includes swimming stops, including a stop at Plati where you can enter the water from the boat. Weather and sea conditions can change the exact stops.

Is the cruise wheelchair accessible?

The activity information describes it as wheelchair accessible, but it also says it is not suitable for people with mobility impairments. Contact the operator before booking if you need mobility assistance or step-free access.