Reviewed · CRUISES & BOAT TOURS

Full Day 3-Island Boat Cruise from Port of Kos

5.0 · 1,133 reviews 7 hours 15 minutes (approx.) From $36.28 Operated by Odyssey Boat Cruise · Bookable on Viator
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Dolphins, three islands, and zero driving. This 10:00 am full-day cruise from the Port of Kos is built for big scenery on a tight schedule, with a Kalymnos fjord village stop, a swim break near Plati islet, and a laid-back hour on Pserimos. I like that it includes a real Greek BBQ lunch on board, not just snacks, and you also get time to roam instead of constantly being “on the move.” The main thing to think about is practical comfort, because the boat can feel full for long stretches in the sun.

Here’s what makes it especially easy to enjoy: you’re on the water for about 7 hours 15 minutes, with scheduled pauses where you can get off and stretch your legs. It runs in English, uses a mobile ticket, and keeps the group size capped at 135, so it’s not a tiny private boat, but it also does not feel like a mass transport. Expect music and a bar on board, and plan to bring sunscreen and a hat that stays put.

Key things that make this cruise click

  • Three island stops, one smooth day plan with 1-hour explore breaks and a dedicated swim moment
  • Dolphins in their natural setting during the fish farm portion near Plati
  • Plati’s clear-water swim stop where you can jump in right off the anchored boat
  • Vathi, Kalymnos, by fjord entry and sponge-warehouse vibes for photos and wandering
  • Included BBQ lunch plus a vegetarian option so you do not have to plan food
  • Happy hour cocktails at low prices with additional alcohol available to purchase

A 7-hour sailing loop with three island stops from Kos

Full Day 3-Island Boat Cruise from Port of Kos - A 7-hour sailing loop with three island stops from Kos
If you want an island day that feels efficient, this is the kind of trip that works. The day starts at the Port of Kos at 10:00 am and returns back to the same place at the end of the cruise. You are spending the bulk of the time sailing, but the schedule is designed with breaks, so you get a mix of viewing, swimming, and short island exploring.

The itinerary is built around three main stops, plus a swim anchor near Plati islet. That means you can see more than one coastline without committing to ferries or moving hotels. The tradeoff is that each stop is about an hour, so you need to treat it like “walk a few streets, enjoy the view, take photos, and relax,” rather than a slow, deep dive into a single place.

This is also a good option if you want the day to be low-stress. Once you’re on board, you do not need to think about transport or directions. You just follow the timing the crew shares, and you choose how long you spend at each stop within the allotted hour.

On value, the big win is that lunch is included. At $36.28 per person, the price feels more reasonable when you factor in that you get souvlaki (pork or chicken), salad, tzatziki, and bread, plus time off the boat at places you can actually enjoy on foot. Drinks cost extra, but the bar runs with happy hour pricing, so you have control over your spending.

Practical note: the cruise runs only with good weather. If conditions are poor, it can be swapped to another date or refunded. Also, it’s in English, and it’s marked as suitable for most travelers, with service animals allowed.

Vathi on Kalymnos: fjord entry, sweets, and sponge-warehouse streets

Full Day 3-Island Boat Cruise from Port of Kos - Vathi on Kalymnos: fjord entry, sweets, and sponge-warehouse streets
The first stop is Vathi, on the island of Kalymnos. The boat enters a natural fjord, and as the valley opens up, you get a chance for photos of gulfs and caves. This is the kind of scenic intro that makes the early hours feel worth it, even before you step off onto land.

Once you arrive, you get about an hour to explore. Vathi is the sort of village where you can enjoy slow wandering: peaceful streets, local sweets, and homemade orange juices. One review highlight that fits the mood is the chance to see sponge warehouses and watch how the island’s working history shows up in everyday sights.

The drawback here is time. One hour goes fast once you start walking, stopping for a drink, and taking photos. So if you like to shop, or you want to hunt down specific viewpoints, you’ll need to keep your plan simple and prioritize. Think of Vathi as a “get your bearings fast, enjoy the atmosphere, then enjoy the return to the boat” stop.

Still, Vathi has a real advantage versus many cruise stops: it feels like a place where life continues, not just a photo platform. Even if you keep it light, you come away with strong visuals from the fjord approach and enough village flavor to remember the day.

Plati islet swim stop: fish farms, dolphins, and clear water jumps

Full Day 3-Island Boat Cruise from Port of Kos - Plati islet swim stop: fish farms, dolphins, and clear water jumps
The middle of the day is where the cruise turns extra fun. You sail past St. Nikolaos and Georgiou Church area, then the boat visits fish farms on the way to Plati islet. The fish attract wild dolphins, and the experience is built around that possibility. When dolphins show up, it’s one of those moments that makes the whole day feel like it went right.

After the fish-farm stretch, you anchor near Plati islet and the engines stop. Then comes the signature break: you can jump in and swim around the boat. The water is described as unbelievably clear, with the sandy bottom visible through the blue and turquoise water.

This is why the stop feels special. Many cruises promise a swim, but the quality of the water changes everything. If visibility is good, it turns into more than a quick dip. It becomes a real, relaxed swim break where you can watch your surroundings instead of just feeling water around you.

Practical caution: getting in can be done from the side, and there’s also mention of ladder options. Some people are not comfortable with the height or the descent method. If you’re not confident with jumping off, take your time, watch what others do first, and use the option that feels safest to you.

Also, the bar switches on during this portion. Happy hour begins, and cocktails are offered at low prices. So you can pair swimming with a drink break without losing the energy of the day.

Pserimos: a small-island hour for beaches, paths, and easy taverna time

Full Day 3-Island Boat Cruise from Port of Kos - Pserimos: a small-island hour for beaches, paths, and easy taverna time
The final stop is Pserimos, a smaller island that is home to only about 15 families in winter and busier in summer. That contrast matters because it shapes the vibe you get in an hour.

You get about 1 hour to explore, which usually works best as a beach and relax window. The plan includes swimming on a shallow, sandy beach, plus time to wander hidden paths if you feel like a mini walk. If you would rather do nothing, there’s also a local cafeteria or taverna where you can slow down and enjoy the island pace.

Because the stop is short, I suggest you choose your mode quickly when you get off the boat. If you want the beach, head there first and do your swim while the sun and energy are high. If you want a couple photos and a snack, do that and build in enough time to head back before it gets rushed.

The good news is that Pserimos is not trying to compete with big-island crowds. For many people, that’s the point. The island feels like a break from the busy parts of Greece, even though you still get the thrill of a cruise day.

Lunch BBQ and cocktails: what’s included and how the bar pricing works

Full Day 3-Island Boat Cruise from Port of Kos - Lunch BBQ and cocktails: what’s included and how the bar pricing works
Food can make or break a boat day, and this one is set up with a clear, included meal plan. Lunch is a BBQ with souvlaki (pork or chicken), salad, tzatziki, and bread. There’s a vegetarian option that includes beans and ntolmades, plus salad, tzatziki, and bread.

What I like about this is that you’re not forced into a separate lunch search in a port town. You eat on board, you stay on schedule, and you can keep enjoying the day without spending your limited time off the boat on finding food.

About taste and expectations: the meal is widely described as edible to tasty, with enough portioning for most people. It is not a fine-dining experience, but it hits the practical target of fueling you after swimming and sun.

Then there is the bar. Alcoholic beverages are available for purchase, soda/pop and bottled water are also available to purchase. Reviews also mention happy hour pricing that keeps cocktails around the €6 range, and beer around a few euros. If you like a drink with a view, this is one of those cruises where the bar feels part of the experience instead of an afterthought.

Two practical tips:

  • Bring cash if you prefer that for purchases, since some people find it easier.
  • If you have a sensitive stomach, eat your lunch before your most intense swim and avoid going from full sun straight into a heavy drink.

Seating, shade, and swim logistics on a full boat day

Full Day 3-Island Boat Cruise from Port of Kos - Seating, shade, and swim logistics on a full boat day
This is where your comfort choices matter. The boat can be packed, and long hours on the water mean you will feel the lack of space if you get stuck in the wrong spot. Seating is described as basic compared to newer or more “swanky” boats, and some people found it uncomfortable for the whole ride.

The best move is timing. Try to arrive early and aim for shade if you can. On hot days, sun management is everything. Reviews repeatedly point out that it can get very hot and that having shade helps you last the day without feeling fried.

For hats, bring a strap or tie it down. The wind on the water can be strong, and losing your hat is annoying when you are trying to stay protected.

If you want the day to feel calmer, pay attention to the vibe on board. This cruise is often described as relaxed rather than a loud party boat, but it can still get lively when the group is large. The music runs during the cruise, and sometimes people find it too loud. If you are sensitive to sound, plan to bring earplugs.

To make swimming easier:

  • Wear swim shoes if you have them, especially if you’ll be walking on sand or rocky edges.
  • Bring sunscreen and reapply. Water stops do not cancel sun burn.
  • Bring a dry bag if you want to keep phones and wallets safe while you swim.

Also, bathrooms are mentioned as clean, which is a small detail but a big comfort factor on a day like this.

Price and value at $36.28: who should book this cruise

Full Day 3-Island Boat Cruise from Port of Kos - Price and value at $36.28: who should book this cruise
Let’s talk money without hand-waving. At $36.28 per person, you’re paying for transport by boat, a full-day schedule, a real included lunch, dolphin-viewing chances, and a swim stop with clear water. Drinks are extra, but happy hour pricing helps.

That value is strongest if you want:

  • Multiple island experiences in one day without planning ferries
  • A lunch included in the price
  • An on-water swim moment that actually looks good

The cruise is capped at 135 travelers, so it stays within a manageable group size. And the day’s structure helps you feel like you did something beyond sitting on a deck.

Who it fits best:

  • If you like relaxed touring with short stops, not long hikes
  • If you want a family-friendly outing in a “everyone can do the basics” format
  • If you are chasing dolphins plus swimming, not a strict cultural itinerary

Who might want to skip or adjust:

  • If you require lots of comfort and quiet seating for many hours
  • If you are uncomfortable with getting into the water from the boat
  • If you hate boat crowds or very sunny days and cannot find shade

Should you book this 3-island cruise from Kos?

Full Day 3-Island Boat Cruise from Port of Kos - Should you book this 3-island cruise from Kos?
I think you should book if you want a fun, efficient day where the main effort is showing up at Port of Kos and wearing sunscreen. The combination of fjord scenery near Kalymnos, a dolphins-focused stop around the fish farms, and a clear-water swim near Plati is a rare mix for one ticket.

It’s also a good pick when you want your lunch handled. The BBQ is included, and there’s a vegetarian option, so you do not get stuck hungry while everyone else relaxes.

If you are picky about seating comfort, go early for shade and manage expectations. And if swimming off the boat sounds intimidating, plan your approach carefully and choose the safest method for you.

FAQ

Full Day 3-Island Boat Cruise from Port of Kos - FAQ

What time does the cruise start from Kos?

The tour starts at 10:00 am at the Port of Kos.

How long is the full-day cruise?

The duration is approximately 7 hours and 15 minutes.

Which stops are included on the 3-island cruise?

You visit Vathi (Kalymnos), an area near St. Nikolaos and Georgiou Church with fish farms plus a swim near Plati islet, and then Pserimos.

Is lunch included, and is there a vegetarian option?

Yes. Lunch BBQ is included with souvlaki (pork or chicken), salad, tzatziki, and bread. There is also a vegetarian option that includes beans and ntolmades, plus salad, tzatziki, and bread.

Are drinks included in the price?

Alcoholic beverages, soda/pop, and bottled water are available to purchase, so they are not included in the tour price.

Is there time to swim during the cruise?

Yes. After the boat anchors near Plati islet, you can jump in and swim around the boat.

What happens if weather is bad?

This experience requires good weather. If it is canceled due to poor weather, you will be offered a different date or a full refund.

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