Full Day 3-Island Boat Cruise from Port of Kos

A full day at sea can be the best island shortcut. This cruise lets you visit Vathi on Kalymnos, swim near Plati, and spend time on Pserimos without arranging several separate boat trips. I especially like the mix of quiet island time and easy swimming, plus the fresh Greek lunch served on board. The main drawback is comfort: the boat can feel crowded, seating is basic, and much of the day is spent in direct sun.

At about $36.28 per person, this is one of the stronger-value ways to see the smaller islands around Kos. You get roughly seven hours and 15 minutes on the water, three planned stops, lunch, music, and a bar. Just keep your expectations clear: this is a busy shared cruise, not a private yacht outing or a slow cultural tour.

What makes this Kos boat trip worth considering

• A natural fjord at Vathi: The boat enters a narrow, dramatic inlet on Kalymnos before giving you an hour to explore the village.
• Dolphin sightings near the fish farms: The fish attract wild dolphins, and the captain may adjust the route if dolphins are nearby.
• A clear-water swim near Plati: You can jump from the boat or use a ladder to reach the sea, with the sandy bottom visible below.
• A proper Greek lunch on board: Pork or chicken souvlaki comes with salad, tzatziki, and bread, with a vegetarian plate available.
• Good value for a long day: Drinks cost extra, but the cruise, lunch, island stops, and swimming time are included in the low fare.
• A relaxed rather than wild party atmosphere: Music and cocktails create a lively mood, but the boat remains family-friendly.

Seven hours from Kos, with plenty packed in

The cruise leaves the Port of Kos at 10:00 a.m. and returns to the same meeting point. The total duration is about seven hours and 15 minutes, so you should treat it as a full-day outing rather than a quick coastal ride.

The appeal is simple. Kos is well placed for reaching Kalymnos, Pserimos, and the waters around Plati, but visiting all three independently would take planning, boat schedules, and extra money. Here, the crew handles the route while you sit back, watch the sea, and get off the boat at set times.

The trip is offered in English and accepts mobile tickets. The maximum group size is 135 people, which explains both the low price and some of the complaints about crowded seating. At peak times, the boat may feel full. Arriving early is useful if you want a better chance of finding shade.

The current rating is 4.8 from 1,133 ratings, with 96 percent recommending the experience. That fits the overall picture: the cruise gives you a lot for the price, but it asks you to accept a basic boat, shared seating, and a fixed schedule.

Vathi on Kalymnos: the most interesting shore stop

The first stop is Vathi, a village on Kalymnos reached through a striking natural fjord. As the boat moves into the inlet, the valley opens gradually, giving you views of steep slopes, small gulfs, and caves. Keep your phone ready during the approach. The entry into the fjord is one of the prettiest parts of the cruise.

You have about one hour ashore. That is enough for a short walk through the peaceful streets, a drink, or a taste of local sweets. The famous homemade orange juice is worth seeking out if it is available during your visit.

Vathi also offers a small look at Kalymnos’s sponge-fishing past. Local sponge warehouses help explain an old island trade that shaped the area. You will not have time for a major museum visit or a long walk, but the warehouses give this stop more character than a simple beach break.

The limitation is time. One hour passes quickly, especially if you want to walk, take photographs, order something, and still return to the boat on schedule. I would choose one priority before stepping ashore. For most people, that means a short village walk and orange juice rather than trying to see every corner.

This is also the stop most likely to appeal to you if you want more than swimming. The other island stop is quieter and more beach-focused, while Vathi gives you a village, local food, and a glimpse of island work.

Dolphins, Plati, and a swim from the boat

After Vathi, the boat passes nearby fish farms on the way toward Plati islet. The fish attract wild dolphins, and sightings are common enough to be a major highlight, but nobody can promise them. The captain may receive news of dolphins in the area and alter the route slightly to give people a better chance of seeing them.

If dolphins appear, the moment can be thrilling. You may see them jumping near the boat or moving through the water in their natural setting. Bring patience and keep your camera ready, but do not spend the whole crossing staring at one patch of sea. Sightings depend on nature, not the timetable.

The boat then anchors near Plati for a swim. The water is exceptionally clear, with the sandy bottom visible through shades of blue and turquoise. This is the part of the day built for cooling off.

You can enter the water by jumping from the side or climbing down a ladder. The jump is from a noticeable height, and the ladder is a steep, vertical route. If neither feels comfortable, you can remain on board and enjoy the view. The swimming stop is not equally easy for everyone, particularly if you are nervous around deep water.

The boat’s bar becomes part of the action here, with cocktails, beer, soft drinks, snacks, and bottled water available to buy. Happy hour is promoted during the cruise, and cocktails have been priced around €6, while a small can of beer has been reported at about €3.50. Prices can change, so bring some cash for purchases.

This section can feel more social than the Vathi stop. Music plays on board, and some departures have a cheerful, party-like mood. It is generally described as family-friendly, but loud music or a large group can change the atmosphere. If you want a very quiet sea trip, this may not be your ideal boat.

Pserimos: a small island with a slow pace

The final stop is Pserimos, a small island with only about 15 families living there during winter. In summer, the island becomes busier, but it still feels far less built-up than Kos.

You have around one hour to explore. The main choices are easy: swim from the shallow sandy beach, follow a small path, or sit at a local café or taverna. Pserimos is not a sightseeing stop packed with major monuments. Its value is the chance to slow down beside clear water and enjoy a simple island setting.

Some people may find there is not much to do beyond the beach and cafés. That is fair. Pserimos works best if you want a quiet break, a swim, or a cold drink. If you need museums, long walks, or a busy town, the one-hour stop may feel thin.

The schedule also means you cannot linger. The boat has to leave on time, and the hour includes getting ashore and returning. Keep an eye on the meeting instructions from the crew, especially if you walk away from the beach.

Lunch is basic, Greek, and better than expected

Lunch is served on the boat and is included in the fare. The standard plate contains pork or chicken souvlaki, salad, tzatziki, and bread. A vegetarian option is available with beans, dolmades, salad, tzatziki, and bread.

This is not a restaurant meal with a choice of several courses. It is a straightforward barbecue-style lunch designed to feed a large group efficiently. That said, the food has received strong praise for being fresh, tasty, and filling. The vegetarian option is a useful detail, and it has been handled well for people who need it.

I like the fact that lunch saves you from hunting for food during a short island stop. You can enjoy Vathi and Pserimos instead of spending half the visit waiting for a table. The tradeoff is that you cannot simply choose your own meal at a waterfront taverna during the cruise.

The bar sells alcoholic drinks, soda, bottled water, cocktails, and snacks separately. Alcohol is not included, so budget for it if you want drinks throughout the day. Carrying cash is sensible, especially for small purchases on board or at the islands.

Comfort, shade, and the reality of a shared boat

The strongest practical warning is seating. The boat is functional, but some seats are uncomfortable for a day-long journey. Seating is not reserved, and the boat can fill up, so arriving early gives you a better chance of choosing a shaded place.

Sun protection matters. Much of the crossing takes place in open sun, and you may be outside for long stretches. Pack sunscreen, a hat, and water. Secure your hat, since the wind can carry it away.

Music helps keep the long crossings lively, but volume varies by departure. Some people enjoy the soundtrack and relaxed bar atmosphere. Others find the music too loud, especially when a large group is on board.

Smoking may also affect your comfort, since one complaint described smokers nearby. If you are sensitive to smoke, arrive early and choose your position carefully if the crew allows it. The boat has toilets, which is important on a full-day outing, but this remains a simple working cruise rather than a polished luxury vessel.

Families can fit in well. A four-year-old has been able to take part in the main activities, and the general mood is described as family-friendly. Still, parents should watch children closely around the boat’s edges, the swim ladder, and the water entry point.

How the value compares with the drawbacks

At $36.28 per person, the price is the cruise’s biggest strength. For that fare, you receive the boat ride, three scheduled areas, about three hours of shore and swim stops combined, and lunch. You also avoid the cost and effort of booking separate transport to Kalymnos and Pserimos.

The price is especially good if you plan to buy only a few drinks and are happy with the included meal. Cocktails around €6 and beer around €3.50 are reasonable for a boat bar, though a full day of drinks will quickly add to the bill.

You are paying for access and convenience, not luxury. The boat may be full, seats may be hard, and the schedule is fixed. Island time is limited, and the Plati stop is a swim from the boat rather than a long visit ashore.

That makes the cruise a good choice for a first look at the nearby islands. It is less suitable if you want private space, a gourmet meal, long beach time, or a quiet sailing experience.

Who should book this cruise

I would recommend it to you if you want to see more than Kos without spending much. It suits couples, families, groups of friends, and solo visitors who like a social day on the water.

You will probably enjoy it most if you like this combination:

• Short island visits rather than one long stop
• Swimming in clear water
• Casual Greek food
• Music and reasonably priced drinks
• A chance to see dolphins
• A full schedule handled by a crew

You may want another option if you dislike crowds, direct sun, loud music, or boat seating for several hours. It is also not the best match if you need easy water access, since the Plati swim involves a jump or a steep ladder.

The cruise requires good weather and a minimum number of participants. If the operator cancels for weather or insufficient numbers, you can choose another date or receive a full refund. You can cancel for a full refund up to 24 hours before the 10:00 a.m. start time.

Should you book the Odyssey Boat Cruise?

Yes, if you want a low-cost, active day that combines Kalymnos, Pserimos, a Plati swim, lunch, and the possibility of dolphins. The crew has earned especially strong praise for being friendly, helpful, and organized, and the captain has even adjusted the route after receiving dolphin sightings.

Book early if your dates are fixed, since the experience is often booked about 21 days ahead. On the day, arrive early for shade, pack sunscreen and a secured hat, bring cash, and be realistic about the boat’s basic seating.

I would choose this cruise for value and variety, not comfort. It gives you a memorable taste of the islands around Kos at a modest price, with enough swimming, scenery, food, and sea time to make the long day worthwhile.

FAQ

Where does the cruise start?

The cruise starts at the Port of Kos, Kos 853 00, Greece.

What time does the boat leave?

The scheduled start time is 10:00 a.m.

How long does the experience last?

The cruise lasts approximately seven hours and 15 minutes.

Where does the cruise finish?

The activity ends back at the meeting point at the Port of Kos.

Which places does the cruise visit?

The cruise stops at Vathi on Kalymnos, anchors near Plati for swimming, and visits Pserimos.

Is lunch included?

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

Are drinks included?

No. Alcoholic drinks, soda, bottled water, cocktails, beer, and snacks are available to purchase on the boat.

Can I swim during the cruise?

Yes. The boat anchors near Plati, where you can swim in clear water. You can enter by jumping from the boat or using a ladder.

Are dolphins guaranteed?

No. Dolphins are attracted to the nearby fish farms and are often seen, but sightings depend on natural conditions.

Can I cancel for a refund?

You can cancel at least 24 hours before the start time for a full refund. Cancellations or changes made less than 24 hours before departure are not refunded. If poor weather or insufficient numbers cause the operator to cancel, you will be offered another date or a full refund.