Dolphins and three islands in one easy day. This Odyssey boat cruise from Kos mixes village time, swim stops in clear water, and a simple onboard Greek lunch. You get the laid-back rhythm of sailing, plus those moments where the crew spots dolphins near the fish farms and adjusts the route.

I love the crystal-clear swimming coves, because you’re not just looking at the sea—you’re actually in it. I also like the value: lunch included (with a vegetarian option), an English-speaking guide, and enough time on each stop to feel like you did more than “just pass by.”

The main thing to consider: the boat can feel crowded, and if the water is choppy the front can get wet and seating can be tight.

Key highlights

• Three islands near Kos in one outing: Kalymnos (Vathi), Plati, and Pserimos, plus multiple swim chances
• Dolphin-spotting near fish farms: the crew keeps an eye out and may shift the timing if dolphins appear
• Greek buffet lunch onboard with vegetarian option: souvlaki-style meat plus beans and dolmades
• Plati swimming stop in turquoise water: jump in from the boat and swim near the islet
• Happy hour cocktails at low prices: drinks cost extra, but the bar is part of the fun
• Meet at the blue Odyssey boat: board by 9:30 near the Port Police

A Full-Day 3-Island Cruise From Kos That Feels Like Real Island Time

This isn’t a loud party cruise. It’s a classic Dodecanese-style day: sail out, pause for swims, walk a bit in a real town, then return to Kos with sea air in your hair and salt on your skin.

What makes it work for me is the mix of pace. You’re not stuck on deck all day, and you’re not on land so long that you spend the day dodging heat instead of enjoying it. You get a village visit at Kalymnos, swimming stops that matter, and a final hour on Pserimos where you can wander at your own speed.

The vibe: music, atmosphere, and crowd levels

The boat runs with music on board, and it’s generally kept at a comfortable level. One person even complained they wanted more old-school Greek tunes, but most of what you’ll feel is a relaxed soundtrack rather than a dance club.

Crowding is the one wildcard. Some people report the boat is fine and comfortable; others say it can feel packed. If you’re sensitive to close seating, aim for a spot where you won’t spend the whole day thinking about legroom.

Odyssey Boat Logistics: Where to Meet and What to Pack

First: find the right boat fast. Look for the blue boat named Odyssey at the harbor of Kos, opposite from the Port Police.

Plan to arrive early. The instruction is to come on board by 9:30 to check your ticket. If you’re even a little late, you’ll end up rushing—on a boat day, rushing is never the fun part.

What you should bring (because towels aren’t included)

You’ll want:

• Sun hat
• Swimwear
• Towel
• Sunscreen

Also think about your phone. You’ll be near water, and if you sit near the front during choppy conditions, you can get splashed.

Getting there and back

There’s no hotel transfer included. You’ll handle your own walk or taxi to the port. On the return, you come back to the boat and head back toward Kos on your own.

Kalymnos Vathi: Fjord Views, Caves, and 1 Hour to Wander

The cruise begins with a sail, then you reach Kalymnos and the village of Vathi. You get about 1 hour to explore.

This stop is all about views and atmosphere. Vathi sits in a dramatic coastal setting, and you’ll see the natural fjord-like shape, plus rugged gulfs and caves. Even if you only take a slow loop through the streets, the scenery makes it feel worth getting off the boat.

What to do in that hour

In an hour, you’re not trying to “see everything.” I’d treat it like a quick reset:

• Walk a few streets for local life and photos
• Look out over the water and rocky cuts
• Grab a small snack only if something catches your eye

One detail to keep in mind: dolphin sightings can affect timing. If dolphins appear right when you’re arriving, the crew may adjust the schedule. That can mean you get less time at Vathi than planned—but if the dolphins are there, it usually feels like the right trade.

Greek Buffet Lunch Onboard: What’s Included and How the Vegetarian Option Works

After the first sail and island stop, lunch comes onboard. Expect a buffet style meal with choices built around Greek staples, not fancy plated dining.

What’s on the plate

For the main meal, you’re looking at:

• pork or chicken souvlaki
• salad, tzatziki, and bread

There’s also a vegetarian option. Instead of meat, it uses beans and dolmades. Reviews also suggest that sauces may vary by meal plan—so if you’re vegan, you should be ready for the possibility that something like tzatziki isn’t part of your version.

How lunch fits the day

Lunch onboard is actually smart. It keeps you fueled for the next swimming stop without losing hours to lunch lines on land. Portions are generally described as filling, and it’s a big part of why this cruise feels like good value.

Fish Farms and Wild Dolphins: The Part You Can’t Schedule

One of the most memorable moments on this trip is the dolphin watch. The plan is to cruise past fish farms and look for wild dolphins jumping out of the water.

This is one of those things where you shouldn’t expect guaranteed results—wild animals don’t follow timetables. But the crew does watch closely, and when dolphins show up, the captain may slow or turn so you have a better chance to see them.

A couple of reviews mention how close the dolphins can be, and one even notes the captain adjusted the route on the way back when dolphins appeared again. That kind of flexibility is exactly what turns a “scheduled tour” into a “real day at sea.”

Plati Island Swim Stop: Turquoise Water and Cocktails on the Way

After lunch and the dolphin/fish-farm segment, the next big highlight is Plati islet. This is where the day shifts from sightseeing mode into swim mode.

Plati is described as turquoise water, with time to jump in and swim around the boat. This is the kind of swimming stop that makes you feel like you really left the busy parts of Kos behind.

If wind changes the plan

Sometimes the sea and wind decide things for you. One person mentioned they couldn’t dock at Plati due to wind, and the crew made up the time with an extra bay swimming stop at Pserimos instead. Translation: the itinerary can bend a bit, but the goal stays the same—more time in good water, not more waiting around.

Happy hour cocktails: the bar part that feels reasonable

There’s a bar onboard, and drinks are not included. Still, the cruise includes a happy hour moment with cocktails at low prices (one review cites cocktails around €6, and another mentions water pricing during happy hour).

If you like a drink with your views, this is where it fits naturally. If you’re on a tight budget, you can skip it entirely and still have a full, satisfying day thanks to the swims and lunch.

Pserimos Island Hour: A Slower Finish Before You Return to Kos

Finally, you reach Pserimos. You get about 1 hour to explore at your own pace before heading back to Kos in the evening.

Pserimos is the calmer ending—less about structured “tour” time and more about wandering. It’s also a practical moment: you can browse small areas, take photos, and decide if you want a snack or drink on land before the return.

Cash tip for the last island

One practical heads-up: one review warns that restaurants on the last island may not accept card, so it’s smart to carry some cash. It’s a small detail, but it can save you from last-minute stress when you’re tired and sunburned (or both).

Price and Value: Why $35 Can Actually Make Sense

At $35 per person, this cruise looks cheap on paper, but value comes from what’s included.

You get:

• a full day boat cruise to multiple islands
• swim stops (with you actually entering the water)
• lunch onboard with meat and vegetarian options
• an English-speaking live guide

Drinks cost extra, and towels are not included. You’ll also pay indirectly for anything you forget—sun protection and a towel are not optional on a hot boat day.

Still, compared with piecing together transport, separate boat trips, and lunch on your own, the math often works out. The cruise is also built for the kind of vacation you’re likely having in Kos: swimming is high on your list, and you want to minimize logistics.

Who Should Book This (And Who Might Want a Different Option)

This trip fits best if you want a relaxed, active day. You like swimming, you’re okay with a group format, and you enjoy seeing villages from the water as well as from land.

It also tends to work for:

• couples who want a shared day experience
• families looking for a low-stress outing
• anyone who prefers a calmer vibe over party boats

Watch-outs to consider before you book

• If you’re very sensitive to motion or sun, plan for that. Choppy conditions happen, and you may get soaked depending on where you sit.
• If you need lots of space, crowding can be an issue.
• Accessibility is described in conflicting ways: it’s marked as wheelchair accessible, but it’s also stated as not suitable for people with mobility impairments. If this matters to you, check directly with the operator before committing.

Should You Book the Odyssey 3-Island Cruise?

I’d book it if your ideal day in Kos looks like this: one scenic village stop, two island swimming moments, and a straightforward lunch without extra planning. The dolphin-spotting adds a level of excitement that you can’t recreate on land, and the crew attitude shows up in how they support passengers during the day.

Skip (or reconsider) if you hate crowds, you need guaranteed calm seas, or you’re expecting a long, slow walking tour with lots of time on land. This is a boat day first—land time is limited, and the sea can be part of the experience (including the wet bits).

If you do book, pack smart: hat, sunscreen, swimwear, and your towel. Then let the day happen. When the water clears and dolphins show up near the fish farms, this cruise turns into one of those simple memories you’ll be glad you chased.

FAQ

Where do I meet for the cruise?

Meet on the blue Odyssey boat at the harbor of Kos, opposite from the Port Police.

What time do I need to be on the boat?

Come on board by 9:30 to check your ticket.

How long is the tour?

The duration is listed as 450 minutes (7.5 hours). Starting times depend on availability.

Which islands do you visit?

You visit Kalymnos (Vathi), Plati, and Pserimos.

Is lunch included, and do you have vegetarian options?

Lunch is included. There is a meat option (pork or chicken souvlaki) and a vegetarian option (beans and dolmades).

Are drinks included?

No. Drinks are available to purchase onboard, including cocktails during happy hour.

Do you stop for swimming?

Yes. There are swim stops, including time at Plati where you can swim in the water around the boat.

Do I need to bring a towel?

Yes. Towels are not included, so bring your own.

Is cancellation free?

Free cancellation is available up to 24 hours in advance for a full refund.