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

Three islands, one boat, plenty of blue water. From Kos, the Odyssey cruise gives you a relaxed day of island visits, swimming stops, a Greek lunch, and a chance to spot dolphins near the fish farms. I like the excellent value at $35 per person, and I like the friendly crew, who keep the day easygoing rather than turning it into a loud party boat.

The main drawback is time. You get about an hour on Kalymnos and Pserimos, but this is a sampler, not a thorough island tour. The boat can also feel crowded, and rough water may change the swimming plan or make the front deck very wet.

Five things to know before you book

• Kalymnos begins with a fjord-like arrival: Vathi’s cliffs, coves, caves, and narrow natural inlet provide the most scenic approach of the day.
• Lunch is included: You get souvlaki, salad, tzatziki, and bread, with beans and dolmades available instead of meat.
• Plati is the best swimming stop: The boat pauses in clear turquoise water, giving you time to jump in and swim around the vessel.
• Dolphins are a welcome possibility: The route passes fish farms, where wild dolphins have often been spotted, but sightings cannot be promised.
• Bring cash for Pserimos: One useful tip is that some places on the final island do not accept cards.
• This is a long day at sea: The cruise lasts about 450 minutes, with check-in by 9:30 at the blue Odyssey boat opposite the Port Police.

Why this Kos boat trip is good value

At $35 per person, this is one of the easier ways to pack several Aegean experiences into a single day. You get transport between three islands, stops for swimming, a full lunch, and a crew-led cruise without having to arrange separate ferries or meals.

The value is strongest if you want variety. In one day, you see a village on Kalymnos, swim from the boat near Plati, visit Pserimos, and spend several hours enjoying the sea. A similar day built independently would require checking ferry times and paying separately for food and transport.

I would not book this expecting a private sailing trip. It is a shared boat excursion, and seating may feel tight at busy times. One account described six people fitting into space better suited to four, while another found the boat comfortable with plenty of room. Your experience will depend partly on how full the boat is and where you sit.

The mood is generally relaxed. Soft music plays on board, and the crew also serves reasonably priced drinks and cocktails. It is more suited to a laid-back day with swimming and views than to an all-out party cruise.

Finding the Odyssey boat in Kos

The meeting point is straightforward once you know what to look for. Find the blue boat named Odyssey in the harbour of Kos, opposite the Port Police. You should arrive by 9:30 to check your ticket and get settled before departure.

Hotel transfer is not included, so you need to make your own way to the harbour. Towels are also not provided. Pack a towel, swimsuit, sunscreen, and a hat, since much of the day is spent outside with little relief from the Greek sun.

The activity is advertised with an English-speaking guide. The captain provides information about the islands, and the crew helps with boarding, meals, drinks, and the swimming stops. Several accounts praise the captain and crew for being attentive, good-humoured, and quick to help.

The first hour at sea and the approach to Vathi

The opening sail from Kos takes about an hour. This is a useful settling-in period, since you can find a seat, listen to the information about the route, and enjoy the views before the first island stop.

Vathi, on Kalymnos, is the first real destination. The approach is one of the most memorable parts of the trip. The boat enters a natural fjord-like setting surrounded by rugged cliffs, gulfs, caves, and sheltered coves.

You have about an hour to explore. That is enough time to walk through the peaceful streets, take photographs, and look for a local snack or specialty. It is not enough time for a long walk or a broad tour of Kalymnos, so keep your plans simple.

I recommend spending part of the stop looking back toward the water and the cliffs. The arrival gives you a better sense of Vathi than a quick walk alone. The village visit adds a local touch to a day that could otherwise become only a series of swim stops.

There is one timing issue to keep in mind. If the captain takes extra time to look for dolphins, the schedule at Vathi can be shortened. One account described roughly 30 minutes at the first island after a dolphin detour, but considered the sighting worthwhile. The captain may adjust the route according to conditions and wildlife activity.

Greek lunch after Kalymnos

After Vathi, the boat serves lunch during the next stage of the cruise. The standard meal includes pork or chicken souvlaki, salad, tzatziki, and bread. The food is simple, filling Greek fare rather than a formal restaurant meal.

Vegetarian guests can request beans and dolmades instead of meat. The crew has also handled vegan needs by leaving out tzatziki, so tell the staff early if you have dietary requirements. It is sensible to mention this when you board, rather than waiting until plates are being served.

Portions appear generous enough for a full day outdoors. The meal is especially welcome before the swimming stops, when the heat and sea air can make you hungry. Food quality can vary slightly from person to person, but the general impression is fresh, tasty, and good for the price.

Do not expect a large selection. If you need snacks between meals, bring your own. Drinks are not included, though water, cocktails, and other beverages are available to buy on board. A cocktail costs about €6 according to one detailed account, and prices were described as reasonable.

Fish farms and the chance to see dolphins

After lunch, the boat passes nearby fish farms. This is also the best point for dolphin spotting. Keep your eyes on the water and listen for announcements from the crew.

Dolphins have been seen close to the boat, sometimes in groups, but wildlife is never guaranteed. The possibility adds a pleasant surprise to the crossing, and the captain may make an extra turn if dolphins appear.

It is worth keeping expectations sensible. This is not a dedicated wildlife trip, and a sighting depends on luck, timing, and sea conditions. If you do see them, it may become the day’s highlight. If you do not, the islands and swimming stops still form the main experience.

Plati: the clearest swimming stop

Plati islet is the cruise’s main water stop. The boat anchors or pauses in clear turquoise water, and you can jump in and swim around the boat.

This is where you should have your swimsuit ready, not buried under a change of clothes. Bring a towel from your accommodation, since the boat does not supply one. Sunscreen is also essential, especially after swimming when you may spend more time on deck.

The stop works well for confident swimmers and families who are comfortable with open-water swimming. The activity details also say it is not suitable for people with mobility impairments, so anyone with access needs should confirm the practical boarding and swimming arrangements before paying. The listing also describes the boat as wheelchair accessible, which is a useful but somewhat conflicting detail.

Weather can alter the plan. Strong wind prevented the boat from docking at Plati on one occasion, and the crew replaced it with an extra bay stop near Pserimos. That is an important point in the tour’s favor: the route may change, but the crew tries to preserve the swimming part of the day.

After the swim, the boat offers a happy hour with cocktails and other refreshments at low prices. You can sit back with music, dry off in the sun, and enjoy the short crossing to Pserimos.

Pserimos gives you a quieter island hour

The final island stop is Pserimos. You get about an hour to explore at your own pace, which makes this the right place for a short walk, photographs, and a look at island life away from Kos.

Pserimos is small and quiet compared with a major Greek resort. Do not expect a long list of attractions. The pleasure is in the setting, the slower pace, and the chance to step off the boat and walk around before returning to the harbour.

Take some cash. A practical detail from the trip is that restaurants and businesses on the island may not accept cards. Even if you do not plan a full meal, cash is useful for a drink, snack, or small purchase.

The time here is enough to get your bearings, but not enough for an unhurried exploration of every corner. If you want a deep visit to Pserimos, this cruise will feel too brief. If you like seeing several places in one day, the stop fits the schedule well.

What the boat is like for seven and a half hours

The total duration is listed as 450 minutes, or about seven and a half hours. The timetable includes roughly one hour to Kalymnos, 45 minutes to the next stop, 20 minutes to Pserimos, and 30 minutes for the return sailing, along with time in port and at the swimming areas.

That sounds long on paper, but the day is broken into different activities. You are not sitting in the same position for the whole time. The schedule shifts between sailing, walking, eating, swimming, dolphin watching, and sitting at the bar.

Still, you should be comfortable with a full day at sea. The water may become choppy, and the front of the boat can get soaked when conditions are rough. If you prefer a dry, quiet ride, choose a sheltered seat and avoid standing at the very front when the sea is moving.

The music is usually kept at a moderate level. One person hoped for more traditional Greek music, while another found the playlist excellent and quiet enough for a family day. That tells you what to expect: music is part of the atmosphere, but it is not necessarily a Greek folk soundtrack or a loud dance party.

Families can enjoy the trip, especially children who like swimming and boats. Children aged 8 and 12 were reported to have had a particularly good time, with the swim stop becoming a holiday highlight. Parents should bring extra sunscreen and hats for children, since the open deck offers strong sun exposure.

Who should book the Odyssey cruise

I would recommend this trip if you want a low-cost day of island hopping without planning several separate journeys. It suits couples, families, and friends who enjoy swimming, sea views, simple food, and a friendly shared atmosphere.

It is also a good choice if you want a calmer alternative to a loud pirate-style boat trip. The crew keeps the tone social and cheerful, but the main focus is sightseeing, swimming, and relaxing.

You may want another option if you dislike group boats, need a quiet private setting, or want extended time on one island. The stops are short by design, and seating can be limited when the boat is busy.

People with mobility concerns should ask specific questions before booking. The activity is marked wheelchair accessible in the general information but is also marked unsuitable for people with mobility impairments. Boarding, moving around the boat, and getting into the water may present different challenges, so do not rely on the general label alone.

Free cancellation is available up to 24 hours before departure, and you can reserve now and pay later. Those options help if your sea day depends on weather or if you are still arranging your Kos plans.

My verdict on the three-island day

The Odyssey cruise offers a lot for $35. You get three island settings, a filling Greek lunch, several opportunities to swim, a chance to see dolphins, and a crew that takes an active role in making the day pleasant.

Its limits are clear, too. You will not explore Kalymnos or Pserimos in depth, and a shared boat can feel crowded. Wind may change the route, the water can be rough, and the dolphin sighting is never certain.

I would book it if you want the sea to be the main event. Bring cash, a towel, sun protection, and a flexible attitude. If you do, this is a practical and enjoyable way to add a full day of clear water, small islands, and Greek boat life to a Kos holiday.

FAQ

Where does the Odyssey cruise depart from?

It departs from the harbour of Kos. Look for the blue Odyssey boat opposite the Port Police.

What time should I arrive?

You should be on the boat by 9:30 to check your ticket before departure.

How long does the cruise last?

The listed duration is 450 minutes, which is about seven and a half hours.

Which islands does the cruise visit?

The route includes Kalymnos, Plati, and Pserimos.

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 can be bought on board, including cocktails and water.

Do I need to bring a towel?

Yes. Towels are not included, so bring your own towel along with swimwear, sunscreen, and a sun hat.

Can I see dolphins on the cruise?

You may see wild dolphins near the fish farms, but sightings depend on conditions and cannot be guaranteed.

Is the cruise suitable for people with mobility impairments?

The information describes the boat as wheelchair accessible but also says the activity is not suitable for people with mobility impairments. Contact the provider before booking to confirm whether the boarding, boat layout, island stops, and swimming arrangements meet your needs.