Full Day 3-Island Boat Cruise from Port of Kos

Three islands, a swimming stop, a Greek BBQ, and a fair chance of seeing dolphins make this a strong value day from Kos. The boat heads first to Vathi on Kalymnos, then pauses near Plati and finishes at tiny Pserimos, so you get more than a simple sail along the coast.

I like the easy mix of sightseeing and downtime. You can stroll a quiet island village, swim from the boat, or order a cocktail without worrying about navigation. I also like the friendly crew, the well-paced one-hour stops, and the fact that vegetarian lunch is available. The main catch is comfort: at up to 135 people, the boat can feel full, seats are basic, and much of the day is spent in the sun.

At a glance

• Enter Vathi by natural fjord: Kalymnos reveals its steep valley, gulfs, caves, orange juice, sweets, and old sponge warehouses as the boat moves inland.
• Look for dolphins near the fish farms: The route passes fish farms where wild dolphins are often seen feeding and jumping.
• Swim beside Plati: The boat anchors near shore, with clear water, a sandy bottom, and access by jumping or ladder.
• Eat Greek food onboard: Lunch includes pork or chicken souvlaki, salad, tzatziki, and bread, with a vegetarian plate available.
• Finish on quiet Pserimos: This small island has a shallow sandy beach, simple tavernas, and a slower pace.
• Arrive early for shade: Seating is not reserved, and the sun can be intense during the long crossings.

A full day among Kos’s neighboring islands

This is a 7-hour-15-minute boat outing that leaves the Port of Kos at 10:00 am and returns to the same meeting point. At $36.28 per person, it gives you transport across the water, three stops, lunch, crew service, and a swimming break for less than many short boat excursions.

The value comes from the route. Kos itself has plenty to keep you busy, but the nearby islands feel different. Kalymnos has a more rugged, working-island character, while Pserimos is tiny and quiet. Plati is mainly a swimming stop, not a full sightseeing destination.

The boat is not a luxury yacht. Think of it as a working day boat with a bar, music, toilets, open seating, and a friendly crew. That matters when you choose this trip. If you want plush seats and a quiet deck, spend more elsewhere. If you want to get out on the water, see several places, and keep the cost down, this format makes sense.

The onboard mood is generally relaxed and family-friendly, though music can be loud and a large group may change the feel of the deck. You can buy drinks and snacks, and the bar is a noticeable part of the day. Cocktails are commonly around €6, while a small can of beer has been priced around €3.50. Bring cash, since it is useful for the bar and for purchases on the islands.

Entering Vathi through Kalymnos’s fjord

The first stop is Vathi, a village on Kalymnos reached through a dramatic natural fjord. The approach is one of the best parts of the cruise. As the boat moves into the narrow waterway, the valley opens gradually, with rocky slopes, small gulfs, and caves around you.

You have about one hour ashore. That is enough for a gentle walk, a drink, or a quick taste of local life, but not enough for a long hike or a full exploration of the valley. Keep your expectations modest and use the time well.

Vathi is a place for small details. You can look for local sweets and homemade orange juice, then walk past the old sponge warehouses. Kalymnos has long been linked with sponge diving and maritime work, so these warehouses give the village a practical connection to the island’s past without requiring a formal museum visit.

I would use this stop for photographs and a short walk rather than trying to see everything. Stay aware of the return time. The one-hour limit keeps the whole route moving, but it also means you need to be back at the boat promptly.

Dolphin watching near the fish farms

On the way toward Plati, the boat passes nearby fish farms. Fish attract wild dolphins, and sightings are common enough to be a genuine feature of the route, though no wildlife encounter can be guaranteed.

Keep your camera ready, but do not spend the entire crossing staring at one patch of water. Dolphins may appear suddenly, often several times in a short burst, then vanish. The crew and captain may adjust the route when there is news of dolphins in the area. That flexibility has produced some memorable sightings, including dolphins jumping close to the boat.

This is not a captive-animal show. You are watching wildlife in the open sea, which makes the moment exciting but unpredictable. If dolphins matter greatly to you, treat them as a welcome bonus rather than the sole reason to book.

Plati’s clear water and practical swimming stop

The stop near Plati is the most active part of the day. The boat anchors close to land, the engines stop, and you can swim around the vessel in clear blue and turquoise water. The sandy bottom is visible beneath you, which makes the setting especially inviting on a sunny day.

Access to the water is worth considering before you book. You may enter by jumping from the side of the boat or by using a ladder with a steep, vertical descent. Some people will find this easy. If you are not comfortable with either option, you can stay onboard and enjoy the view.

There is no promise of a formal snorkel program or rented equipment in the supplied details, so bring your own gear only if you already have it and want to use it. The main attraction is swimming, not a guided underwater activity.

While people are in the water, the bar starts its happy hour. Cocktails are available at reasonable prices, and the drinks add to the holiday feel. The practical warning is sun exposure. Much of the boat has no shade, and the long crossings can be hot. Apply sunscreen before boarding, bring more for later, and get to the port early if you want a shaded seat.

Lunch onboard, with a simple Greek menu

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

This is straightforward Greek food rather than a restaurant meal. It is designed to feed a full boat efficiently, and that is exactly what it does. The meal has been praised for being fresh, tasty, and filling, though some people may find it basic.

I like having lunch onboard because it avoids losing another island stop to a restaurant search. You can eat, enjoy the sea view, and keep the schedule moving. The tradeoff is choice. You cannot select from a full menu, and you may prefer buying your own meal if you have specific dietary needs beyond the stated vegetarian option.

The crew has handled mixed dietary needs well, but tell the operator in advance if your requirements are more complex. The provided information confirms a vegetarian meal, not a full range of allergy-safe or special-diet menus.

Pserimos, the quiet final island

The last stop is Pserimos, a small island with only about 15 families living there during winter. Summer brings more people, but the island still feels simple compared with Kos.

You have around one hour to spend ashore. The shallow sandy beach is the obvious choice for an easy swim, especially for families and anyone who prefers a gradual entry. You can also follow small paths or sit at a local café or taverna.

Pserimos is not a place packed with sights. Its appeal is the pause. After the boat ride, lunch, and swimming stop, you can slow down with a drink, sit near the beach, and enjoy the lack of urban noise. If you need museums, shops, or a long list of attractions, this stop may feel too slight.

The schedule gives you enough time to sample Pserimos, not to understand every corner of it. That is normal for this kind of island-hopping day. You are collecting impressions rather than conducting a detailed visit.

What the boat is really like

The Odyssey boat has a bar, toilets, music, and open seating. The crew is often described as friendly, helpful, and attentive, with Captain Giannis receiving special praise for his handling of the route and his effort to seek out dolphins.

The strongest part of the service is the atmosphere. The crew keeps people informed about the next stop and the available time, and the day has a light, social feel without being marketed as a full party cruise. Families can take part, and a four-year-old has been able to enjoy the outing.

Still, comfort is basic. The boat can be packed, especially in high season, and seats may become uncomfortable during the long journey to the first island and the final ride back to Kos. Seating is not reserved, so arriving early is the best way to improve your chances of getting shade and a better position.

Music is part of the experience. Many people enjoy it, but it has been too loud for some. Smokers may also be an issue for anyone sensitive to smoke, particularly when the boat is full. You cannot control the surrounding crowd, so this trip suits flexible people more than anyone seeking a quiet, polished cruise.

Tie down hats and loose items. The boat moves at sea, and wind can carry away anything left unsecured. A water bottle is also sensible, since bottled water is available to buy but is not included.

Who gets the most from this $36.28 trip

I would recommend this cruise to you if you want a low-cost way to see beyond Kos without arranging ferries, taxis, and meals separately. It suits couples, families, groups of friends, and solo visitors who enjoy a sociable boat day.

It is also a good fit if you want variety. In one outing, you get a village visit, wildlife watching, a swim, lunch, and a quiet beach stop. The route gives you a broad taste of the nearby islands, even though each stop is short.

You may want another option if you need soft seating, quiet surroundings, extensive shade, or long hours on shore. People with limited mobility should think carefully about the swimming access, since entering the sea may require a jump or a steep ladder. The supplied information says most people can participate and that service animals are allowed, but it does not provide detailed information about wheelchair access on the boat or at each landing.

The group limit is 135 people. That is not a small private cruise, and the deck may feel crowded in high season. The 96 percent recommendation rate and 4.8 rating from 1,133 ratings suggest the overall formula works very well, but the lower scores point to the same practical concerns: crowding, uncomfortable seats, loud music, smoking, and limited sights on the islands.

Simple ways to make the day better

Arrive early at the Port of Kos for the best chance of finding shade. Since seating is not reserved, this small effort can make a major difference over seven hours.

Wear swimwear under your clothes and bring sunscreen, a hat with a strap, and a towel. The boat spends a lot of time in open sun, and the water stop is a central part of the day.

Bring cash for drinks and island cafés. Alcoholic drinks, soda, and bottled water are not included, though they are available to purchase onboard.

Keep an eye on the time at Vathi and Pserimos. One hour passes quickly, particularly if you stop for orange juice, sweets, or a beach swim.

The tour requires good weather and a minimum number of people. If poor weather cancels the trip, you can choose another date or receive a full refund. You can also cancel for a full refund if you do so at least 24 hours before the 10:00 am start time.

Should you book the Odyssey cruise?

Book it if you want maximum variety for a modest price and you are happy with a busy, informal boat. The dolphin sightings, Vathi’s fjord, Plati’s clear swimming water, Pserimos’s sandy beach, and included lunch create a full day with little planning on your part.

Skip it if your ideal day means a quiet yacht, reserved seating, gourmet food, or long independent visits on each island. The strongest reasons to book are the route, the crew, the friendly atmosphere, and the unusually good value. The main reasons to hesitate are crowding, sun, basic seating, and the short time ashore.

For most people who want to get out on the Aegean without spending much, I would book this one. Arrive early, claim shade, pack sunscreen and cash, and treat the dolphins as a lucky extra.

FAQ

Where does the cruise start and finish?

The cruise starts at the Port of Kos, Kos 853 00, Greece, at 10:00 am. It returns to the same meeting point at the end of the day.

How long does the boat cruise last?

The experience lasts approximately 7 hours and 15 minutes.

Which islands does the cruise visit?

The route includes Vathi on Kalymnos, a swimming stop near Plati, and Pserimos. The boat also passes nearby fish farms while traveling toward Plati.

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 in the price?

No. Alcoholic drinks, soda, and bottled water are available to purchase onboard but are not included.

Is swimming included?

The boat anchors near Plati and allows you to swim around the boat. You can enter the water by jumping from the boat or using a ladder.

Can I cancel the booking?

You can cancel up to 24 hours before the experience starts for a full refund. Cancellations and changes made less than 24 hours before the start time are not accepted for a refund.