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

Three islands, one long blue day. This full-day cruise from Kos packs Kalymnos, Plati, and Pserimos into about 7.5 hours, with a village visit, swimming stops, lunch, and a chance to spot dolphins near the fish farms. I like the relaxed pace and the friendly Odyssey crew, especially captain Yanni, who keeps the day moving without turning it into a loud party boat.

I also like the excellent value at $35 per person, since lunch and the island cruise are included. The main thing to consider is the boat setting: it can feel crowded, and rough water may make the ride wet or less comfortable. This is a social group cruise, not a private yacht outing.

Key points to know before you book

• Vathi on Kalymnos: Walk into a natural fjord setting filled with cliffs, coves, caves, and quiet village streets.
• Plati swim stop: Jump straight from the boat into clear turquoise water, with music and reasonably priced cocktails afterward.
• Pserimos gives you island time: You get about an hour to wander, swim, browse, or sit by the bay.
• Dolphin spotting is a real bonus: The route passes fish farms, where dolphins are sometimes seen close to the boat.
• Lunch is included: Expect souvlaki, salad, tzatziki, and bread, with beans and dolmades for vegetarians.
• Bring cash and a towel: Drinks cost extra, towels are not supplied, and some places on Pserimos do not accept cards.

Why this Kos boat trip is worth considering

Kos has plenty of boat excursions, but this one earns its appeal through variety. You are not simply taken to one beach, handed a snorkel, and brought back. The day shifts between a quiet village, open-water sailing, swimming from the boat, dolphin watching, and a small island stop.

I like that the schedule gives you both movement and downtime. You get scenery from the deck, time on land, and several chances to cool off. The soft music helps create a holiday mood, although you should not expect a silent sailing trip. One person wanted older Greek music to better match the setting, while another found the playlist just right and not too loud.

The boat is the blue Odyssey, moored at the Kos harbour opposite the Port Police. You need to be aboard by 9:30 to check your ticket. Hotel transfers are not included, so plan your own way to the harbour.

The cruise is listed at $35 per person. That is strong value for a full day, especially since lunch and the island stops are part of the fare. Drinks are extra, but onboard prices are described as fair, with cocktails reported at around €6 and bottled water available at low prices during happy hour. Exact prices can change, so bring some spending money rather than assuming everything is covered.

The first sail to Vathi on Kalymnos

The opening sail takes about an hour. That gives you time to settle into the boat, find a place to sit, and watch Kos recede behind you. Seating is generally considered fine for the trip, though the boat may feel full on popular dates. One account described six people sharing space intended for four, so arriving early is wise if you care about your preferred seat.

Your first destination is Vathi, a village on Kalymnos. This is the most scenic land stop, thanks to the natural fjord and the steep, rugged surroundings. The approach is part of the attraction. You will see folds in the coast, rocky cliffs, small coves, and openings that look more dramatic from the water than they do from shore.

You have roughly an hour to explore. That is enough for a short walk, photographs, and a taste of local life, but not enough for a long hike or a slow meal in town. I would use the time to wander beyond the first waterfront stretch, look up at the surrounding rock walls, and sample a local specialty if something catches your eye.

The word explore needs a little context here. You are getting a compact introduction, not a full Kalymnos tour. The stop works well if you want a quick look at a traditional village and its setting. If your main goal is serious island exploration, the time will feel brief.

Greek lunch after the village walk

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

This is straightforward Greek boat food, not a restaurant tasting menu. Still, the meal is filling and repeatedly praised for its generous portions. Vegetarian guests should tell the crew early, since the staff have been helpful about arranging the alternative. The vegetarian choice can also work for vegans if you skip the tzatziki.

The meal timing makes practical sense. You have walked in the heat, and lunch provides a proper break before the swimming stops. A few people would prefer Greek salad instead of the cabbage salad, but that is a small complaint beside the useful fact that lunch is fresh, simple, and included in a low-cost day trip.

Bring water if you prefer to drink often, but remember that onboard drinks are available for purchase. The cash bar offers cocktails, soft drinks, and water. The Odyssey cocktail receives a special nod, though you should pace yourself in the sun.

Dolphin watching near the fish farms

After lunch, the boat passes nearby fish farms. This is where dolphin spotting may happen. It is not guaranteed, and no responsible cruise can promise wild animals on schedule, but the route has produced memorable sightings, sometimes with several dolphins close to the boat.

Keep your eyes on the water and listen for announcements from the crew. Dolphins can appear quickly, so the best view may come from whichever side of the boat has open water at that moment. On one occasion, the captain made another turn near the sighting, giving people a second look.

This part adds a little suspense to the day. The cruise is already worthwhile without dolphins, but seeing them makes the route feel less like a fixed sightseeing circuit and more like a day on the sea. You might also spot flying fish, according to one account.

Swimming from the boat at Plati

The next sail lasts about 45 minutes before reaching Plati. This small islet is less about walking and more about the water. The boat stops in a sheltered-looking spot with clear, turquoise sea, and you can jump in for a swim around the boat.

You should expect a proper swim stop, not a guided snorkeling session. Towels and water equipment are not included, so bring your own towel and swimwear. If you want to protect your feet, pack suitable water shoes, though they are not specifically required by the tour information.

The swim is one of the strongest parts of the day. After the heat and the lunch, getting into the sea resets your energy. Children also seem to enjoy the simple thrill of jumping from the boat, but you should judge conditions for yourself and follow crew instructions.

Wind can affect this stop. If conditions prevent the boat from docking at Plati, the crew may adjust the plan and provide an additional bay swimming stop around Pserimos instead. That flexibility is useful, but it also means the exact sequence is not guaranteed.

Back onboard, the music and happy hour give the cruise a light holiday feel. This is not described as a raucous party boat, which will appeal to anyone who wants fun without constant dancing or shouting. Still, music is part of the setting, so people seeking a quiet sailing experience should choose with care.

Pserimos and its slower island hour

From Plati, the boat makes a short sail of about 20 minutes to Pserimos. This is your final island stop, with around an hour to spend at your own pace.

Pserimos feels like a good closing stop because you can choose your level of effort. Walk around, browse for a souvenir, sit near the water, or swim if conditions and timing allow. The setting is smaller and quieter than a major Greek port, giving you a quick look at island life without a long transfer or complicated planning.

One practical point matters here: some restaurants and businesses on Pserimos may not accept cards. Carry cash if you want to buy a drink, snack, or souvenir. Do not rely only on the card you used in Kos.

The hour passes quickly, especially if you want both a walk and a swim. I would decide before you arrive which matters more. If the day has already given you plenty of sea time, use Pserimos for a calm stroll. If you have stayed on deck during earlier swimming, make the final stop your chance to get in the water.

The ride back to Kos

The return sailing takes about 30 minutes according to the planned route, though the full activity lasts 450 minutes once boarding, stops, and the day’s running time are counted. Some people find that 7.5 hours sounds long on paper, yet the changing activities keep the day from feeling repetitive.

The final ride is a good time to sit back, finish a drink, and watch the islands fade into the distance. Sea conditions can be choppy. One person noted that the front of the boat became too wet to enjoy when the water picked up, so do not treat the bow as the safest dry seat. Keep your hat secure and protect your phone.

Sun protection is not optional. Bring a hat, sunscreen, swimwear, and a towel. The Greek sun can make a pleasant cruise feel tiring when you are exposed for hours, especially during the open-water sections.

What the crew does well

The crew is the heart of this experience. Their friendliness and willingness to help receive the strongest praise. They assist with boarding, check on people during the day, explain the stops, and keep the atmosphere easygoing.

Captain Yanni is described as informative, good-humoured, and attentive. That matters on a long boat trip. Clear timing and simple explanations help you understand where you are going and how long you have before you must return to the boat.

The crew have also helped with practical problems, including sea-sickness medication and assistance after a passenger fell. That does not remove the need to take care of yourself, but it suggests a team that pays attention rather than simply operating the boat from the helm.

Crowding, comfort, and mobility

The Odyssey is not an empty luxury vessel. Popular departures can have plenty of people onboard, and seating may feel tight if the boat is full. You may need to accept a less-than-perfect seat, especially if you board late.

That is the tradeoff for the low price. You get a full island route, lunch, swimming, and a staffed bar without paying private-charter rates. In return, you share the deck and may have limited personal space.

The activity information says the boat is wheelchair accessible, but it also lists the experience as unsuitable for people with mobility impairments. Treat that as a warning to clarify before booking. The boat includes boarding, onboard movement, island access, and swimming arrangements, so ask the operator directly about your specific needs.

The trip suits families, couples, solo visitors, and groups who want a social day outside Kos. It is less suitable if you dislike boats, need guaranteed calm water, want long visits on land, or expect a private and quiet setting.

How to get the best day for your money

Arrive at the blue Odyssey by 9:30, not at the last second. Early arrival gives you more choice over seating and lets you settle before departure.

Pack light, but include the basics:

• Sun hat and high-factor sunscreen
• Swimwear and a towel
• Cash for Pserimos
• A phone case or small waterproof pouch
• Water and any personal sea-sickness medication

Keep your valuables secure during the swim stop. You will be leaving your things onboard while you get into the sea, so bring only what you need.

For the best balance, take photographs at Vathi, eat lunch without rushing, swim at Plati, and save a little energy for Pserimos. The day is designed around contrasts, and you will enjoy it more if you do not treat every stop as a race to see everything.

Cancellation is free up to 24 hours before departure, and you can reserve now and pay later. Check the departure time when booking, since start times can vary.

Should you book the Odyssey three-island cruise?

I would book this cruise if you want a low-cost, full-day introduction to the islands around Kos. The strongest reasons are the friendly crew, generous included lunch, clear swimming water, varied route, and the possibility of dolphins near the fish farms.

I would skip it if you want extended time on Kalymnos, guaranteed access to every planned stop, or plenty of personal space. Wind can change the route, the boat may feel crowded, and the day is long in full sun.

For most people, the value is hard to argue with. You get three island settings, several sea stops, food, a cash bar, and a crew that appears to care about the experience. Bring sunscreen, cash, and realistic expectations about a shared boat, and this is one of the better ways to turn a day in Kos into a proper island-hopping outing.

FAQ

Where does the Odyssey boat leave from?

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

What time should I arrive?

You should be onboard by 9:30 to check your ticket. The exact departure time can vary, so check availability when booking.

How long does the cruise last?

The activity duration is listed as 450 minutes, or about 7.5 hours.

Which islands does the cruise visit?

The planned route includes Vathi on Kalymnos, Plati islet, and Pserimos island.

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 buy onboard, including cocktails and bottled water.

What should I bring?

Bring a sun hat, swimwear, a towel, and sunscreen. You should also carry cash because some places on Pserimos do not accept cards.

Can I cancel the booking?

Yes. You can cancel up to 24 hours in advance for a full refund. You can also reserve now and pay later.