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

The best part of this Kos boat trip is its easy mix of island stops and swim time. You cruise to Vathi on Kalymnos, Plati, and Pserimos, with a Greek lunch on board and a real chance of seeing dolphins near the fish farms. I like the calm pace and the crew’s personal touch, especially Captain Yanas and the helpful staff. I also like the price: at about $35, lunch, three islands, and swimming make this a strong value.

The main consideration is time on the islands. You get about an hour at Vathi and Pserimos, but the stops are for a first look rather than a full visit. The boat can also feel crowded, and wind may change the route. This is a sea day, so bring a hat, towel, sunscreen, and a little patience if the water turns choppy.

Key points before you book

• Three very different stops: See the fjord-like setting of Vathi, swim near Plati, and walk around Pserimos.
• Lunch is included: Expect souvlaki, salad, tzatziki, and bread, with beans and dolmades for vegetarians.
• Dolphins are possible: The route passes fish farms where wild dolphins are sometimes spotted.
• Drinks cost extra: Cocktails are available at reasonable prices, with some drinks reported at about €6 and water at €1 during happy hour.
• A relaxed rather than rowdy cruise: Soft music sets the mood, though the playlist may not be traditional Greek music.
• Check the boarding details: Find the blue Odyssey opposite the Port Police and arrive by 9:30.

Setting out from Kos on the blue Odyssey

The boat leaves from the port of Kos, opposite the Port Police. Look for the blue boat named Odyssey, and arrive by 9:30 so the crew can check your ticket and get everyone settled.

The first sailing lasts about an hour. That time matters because the trip is not simply a transfer between stops. You have open-water views, music, sun, and a chance to find a comfortable place before the main part of the day begins.

The Odyssey is a working local excursion boat rather than a private yacht. Seating is generally comfortable for the length of the cruise, but space can be limited when the boat is full. One person reported that six people were fitted into seating intended for four, while another found plenty of room. The practical lesson is simple: arrive on time and choose your spot carefully.

The mood is aimed at a broad crowd. Families with children, couples, and people looking for a quieter alternative to loud pirate-style boats can all fit in. Music plays during the day, usually at a moderate volume. If you want old Greek songs, the playlist may not meet that hope, but the music is intended to keep the long sailing pleasant rather than turn the boat into a nightclub.

Vathi on Kalymnos: a short walk into a natural fjord

Your first island stop is Vathi, a village on Kalymnos. The approach is one of the prettiest parts of the day. The boat passes rugged cliffs, coves, gulfs, and a narrow natural fjord that gives the village a tucked-away feel.

You get about an hour to walk around. That is enough time to see the quiet streets, take photos, and try a local specialty if you wish. It is not enough time for an extended visit or a serious meal, since lunch follows back on the boat.

I like this first stop because it adds more than a beach scene. Kalymnos gives you a glimpse of an inhabited island village, not just a place to jump into the water. You can stretch your legs after the first sailing and enjoy the contrast between the bright sea and the steep, rough-sided coves.

Keep your expectations sensible. Vathi is a quick introduction, not a guided cultural tour. The exact amount of free time may shift if the captain slows down for dolphins or changes the route because of weather. On one outing, time at the first island was shortened after a dolphin detour, but the change was considered worthwhile.

Greek lunch on board with a vegetarian choice

After Vathi, the boat sails for around 45 minutes before lunch. The meal is served buffet style and includes pork or chicken souvlaki, salad, tzatziki, and bread.

This is straightforward Greek boat food, not a restaurant tasting menu. The portions are described as filling, and the meal gives you enough energy for the afternoon swimming stops. Several people particularly enjoyed the souvlaki, while one person would have preferred Greek salad instead of cabbage salad. That is a fair way to view it: the food is simple, generous, and well suited to a day at sea.

Vegetarians can choose beans and dolmades instead of meat. If you are vegan, the food can work as long as you skip the tzatziki. Vegetarian passengers should tell the crew early, since the meal is organized ahead of time.

Lunch is one reason the price works so well. A full day on the water can become expensive once you add food, but here the main meal is already covered. Drinks are not included, so keep some money aside for water, soft drinks, or cocktails.

Fish farms and the chance to see wild dolphins

After lunch, the route passes nearby fish farms. This is where you may get one of the day’s best surprises: wild dolphins jumping near the boat.

No one can promise a dolphin sighting, of course. The crew looks out for them, and the captain may make another turn if a pod appears. Several sightings included multiple dolphins close to the boat, while other trips may simply pass the farms without seeing any.

This part works well because it is not presented as a guaranteed wildlife show. You are already sailing between islands, and the dolphins are an unexpected bonus. Keep your camera ready, but do not spend the whole cruise staring through a phone. The sea views are worthwhile even when the dolphins stay out of sight.

The route can also include flying fish. These small moments give the sailing a little more character than a direct trip from one swimming stop to the next.

Plati: turquoise water and a jump from the boat

The next stop is Plati, a small islet known for clear turquoise water. Depending on conditions, the boat stops for swimming near the islet, and you can jump directly from the boat into the sea.

This is the most active part of the day. You do not need to be a strong swimmer to enjoy watching from the boat, but you should be comfortable with open-water swimming if you plan to get in. Bring your own towel, since towels are not provided.

The water is the main attraction here. You get a chance to cool off after the warm island walk and lunch, and the stop breaks up the sailing before Pserimos. Families can enjoy it too, although parents should keep a close eye on children around the boat and follow the crew’s instructions.

Wind can affect this stop. On one trip, the boat could not dock at Plati because of the conditions, so the crew replaced it with extra swimming time in a bay near Pserimos. This is an important point: the captain may adjust the plan for safety and weather. You should value the day as a flexible sea outing, not a rigid checklist.

Affordable cocktails and a relaxed afternoon on deck

During the afternoon, the bar offers drinks for purchase. Cocktails have been priced around €6, and water has been available for about €1 during happy hour. Prices can change, but the bar is not intended to be a luxury yacht bar.

The crew also prepares cocktails and creates a sociable atmosphere without forcing everyone into party mode. You can listen to the music, talk with the crew, watch the coastline, or simply rest between swim stops.

The crew’s friendliness is one of the strongest reasons to choose this boat. Captain Yanas is described as humorous and attentive, while the staff help with food, drinks, swimming, and small practical needs. The atmosphere is warm without requiring you to join in every activity.

If you are prone to seasickness, take the possibility seriously. The sea can be choppy, particularly at the front of the boat, where spray may leave you soaked. One passenger received seasickness medicine from the crew, but it is wiser to bring your own usual remedy and choose a more sheltered seat if conditions look rough.

Pserimos: your longest chance to wander

The final island stop is Pserimos. You have about an hour to explore at your own pace before the boat returns to Kos.

Pserimos gives you a different mood from Vathi. Instead of a dramatic fjord entrance, the appeal is the small-island setting, clear water, and time to walk around without a formal tour. You can browse for a souvenir, look at the shoreline, or sit near the bay before returning to the boat.

Bring cash for Pserimos. Some restaurants and businesses on the island do not accept cards. You may not need to spend anything, but having cash gives you the option of buying a drink, snack, or small souvenir.

The hour passes quickly, especially if you want both a swim and a walk. Plan one priority rather than trying to do everything. Pserimos is best treated as a pleasant final stop, not a place for a long, detailed exploration.

Afterward, the boat sails for roughly 30 minutes before returning to the Odyssey’s starting point in Kos. The full activity lasts 450 minutes, or about seven and a half hours, although the exact day can run a little shorter or longer depending on conditions and the timing of the stops.

What the $35 price really includes

At around $35 per person, this is unusually good value for a full day at sea. You receive transport to three islands, swimming stops, lunch, and a crew that keeps the day moving. Comparable outings often charge separately for food or limit the route to one island.

The value is strongest if you want variety. In one day, you get a village on Kalymnos, a small swimming islet, Pserimos, possible dolphins, and several hours of sailing. You do not need to arrange ferries, find a restaurant at lunchtime, or work out how to reach the smaller islands independently.

The price does not cover drinks, towels, or hotel transfers. Those exclusions are easy to manage, but they affect your budget. Bring sunscreen and a towel from your accommodation, and carry cash for the bar and Pserimos.

The boat may feel crowded during busy periods. That is the tradeoff for the low price and broad route. If you want privacy, a quiet deck, or complete control over your schedule, a private charter would suit you better. If you want a social day with plenty included, the Odyssey makes more sense.

Who will enjoy this Kos island cruise

I would recommend this trip to you if you want to see more than Kos without spending much. It works especially well for:

• Families who want swimming, simple food, and a full day with the route organized.
• Couples looking for scenery, cocktails, and a relaxed alternative to a loud party boat.
• First-time visitors who want a quick taste of Kalymnos, Plati, and Pserimos.
• Vegetarians and some vegans, thanks to the beans and dolmades option.
• Anyone who values friendly crew service and does not mind sharing space.

It is less suitable if you have a serious mobility limitation. Although the activity information describes the boat as wheelchair accessible, the same information says it is not suitable for people with mobility impairments. Boarding, moving around the boat, island access, and swimming stops may be difficult, so confirm directly before booking.

You should also think carefully if you dislike long periods on the water. The day includes several sailings, with the longest around an hour. The scenery and music make those stretches pleasant for many people, but this is not a quick transfer trip.

What to pack for the Odyssey

Keep your packing simple, but do not forget the basics:

• Swimwear and a towel
• Sun hat and strong sunscreen
• Cash for Pserimos and optional drinks
• Comfortable clothes for the boat
• Seasickness medicine if you normally need it
• A waterproof bag for your phone and valuables

The sun can feel strong on the water, even when the breeze keeps you cool. Reapply sunscreen after swimming, and give children extra protection. At the front of the boat, spray can be heavy when the sea is rough, so protect anything that should stay dry.

Should you book this three-island cruise?

Yes, if you want a low-cost, full-day introduction to the islands around Kos. The combination of Vathi’s rocky fjord, Plati’s clear swimming water, Pserimos’s small-island feel, included lunch, and possible dolphins gives you plenty for the money.

Book it knowing that the schedule can change with wind, island time is limited, and the boat may be crowded. Arrive early, bring cash and a towel, and treat the dolphin sighting as a bonus rather than a promise. For most people who want an easy day at sea with friendly service and several different stops, the Odyssey is a smart choice.

FAQ

Where does the boat leave from?

The Odyssey leaves from the harbour of Kos, opposite the Port Police. Look for the blue boat named Odyssey.

What time should I arrive?

You should arrive on the boat by 9:30 for ticket checking before departure. Starting times can vary, so check the availability details when booking.

Which islands does the cruise visit?

The route includes Vathi on Kalymnos, Plati islet, and Pserimos island. The exact swimming arrangements may change because of wind or sea conditions.

Is lunch included?

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

Are towels and drinks included?

No. Bring your own towel. Drinks, including water and cocktails, are available to purchase on board.

Can I cancel the booking?

You can cancel up to 24 hours in advance for a full refund. The activity also offers a reserve-now-and-pay-later option.