Hersonissos: Dia Catamaran Cruise with Lunch & Drinks

A half-day at sea, with Dia Island in your wake. It is a laid-back luxury cruise built for swimming, food, and real time on the water.

I especially liked the small-group feel and the easy plan, so you are not racing around all day. You get a full island swim stop plus a proper lunch, not a rushed “look and go” stop.

What I really liked: you start with a thoughtful morning welcome, then settle into deck time with unlimited drinks. The crew also handled family needs well, including at least one shellfish allergy request without turning the day stressful.

One possible drawback: if weather turns rough, the itinerary can be rescheduled or canceled. Since this is time on the sea, it pays to bring a plan for motion and be ready to go with the flow.

Key things I’d bank on

• Dia Island swim stop in a protected Natura 2000 area, with lots of water time
• Unlimited drinks (water, soft drinks, local beer, and white wine) while you relax on board
• Water toys that actually get used, including snorkeling gear and SUP
• Nutritionist-designed meal with kid options available on request
• A small max group size (20 guests) that keeps the boat calm, not crowded
• On-board comforts like shade lounges, an outdoor shower, and a WC

A catamaran day trip that starts with real comfort in Hersonissos

This cruise runs from Hersonissos Port, and that matters. You are not losing hours to long transfers. Instead, you get a morning flow: check in, settle aboard, then head out across the coast.

The vibe is “yacht day” without the stuffy feeling. The boat has sunbeds, shaded lounge areas, and space to spread out. That makes a difference for families, because kids can move around without you feeling like you are in everyone’s way.

Also, this is a true small-group outing. The limit is 20 travelers, and at least one recent guest noted only about 15 guests onboard (not counting crew). That is how you end up with a more relaxed rhythm, especially at the island.

Check-in and the morning welcome: more than just a handshake

Plan to arrive at Hersonissos Port about 15 minutes early. Look for the DanEri Yachts flag on the white sailing catamaran. Once you are checked in, the tone is set fast.

Before you even reach Dia Island, you get a welcome refreshment set: espresso, teas, water, and soft drinks, plus a light breakfast bowl. The breakfast is described as nutritionist-designed, which usually means lighter, not greasy, and easier to stomach before swimming.

If you are thinking about the “morning energy” piece, this helps. Food and hydration early make the day smoother once you are in swim mode. One reviewer also called out the way the crew kept drinks flowing the whole time, so you are not stuck hunting for water later.

Language-wise, the crew communicates in English and Greek, and they are described as professional with Red Cross certification. In plain terms: you should feel looked after if something goes wrong, or if you have questions about safety gear.

Sailing time to Dia: deck relaxing, drinks flowing, and shade that matters

The trip out takes about 105 minutes before you reach Dia Island, and you get plenty of time to settle into the routine. This is not a frantic speed run. It is a cruising stretch where you can do small things that make a big difference on a day trip.

On board, you can:

• lie back on the deck with cushions
• use shaded lounges if the sun is too much
• enjoy music and free Wi-Fi
• keep drinks moving with the open bar selection

The open bar is not a mystery menu. You have water, soft drinks, local beer, and white wine included. That is a very workable setup for most adults, and it also keeps lunch and post-swim time easy for families who just want the day to be smooth.

If you are sensitive to motion, keep in mind you are out on open water. The cruise itself is still a cruise, so I suggest packing sea-sickness basics if that is your thing, even though the day is calm.

Dia Island: your swim stop with snorkeling, SUP, kayak, and an inflatable flamingo

Dia Island is where the day really earns its keep. It is a protected Natura 2000 area, and it is described as uninhabited, with crystal-clear waters around it. Practically, that means the water looks good and the setting feels quiet.

You spend about 3.25 hours on the island area. That is a lot of time for families, because it lets you pick your pace. You are not forced to do everything in one frantic hour.

What you can do in the water is well set up. The boat provides:

• snorkeling gear (masks and fins)
• stand-up paddleboards (SUP)
• a kayak
• inflatable noodles
• an inflatable flamingo float

There is also swimming jacket equipment mentioned. For kids and first-timers, that kind of gear can make the water time less stressful.

A small but important point: touching marine life is not allowed. It is the kind of rule that sounds obvious until you are staring at something interesting under the surface. Keep your hands to yourself, enjoy with your eyes.

The flamingo float is exactly the kind of silly fun that gets kids to actually enjoy “waiting their turn.” It also helps adults loosen up, because it turns the swim stop into an activity, not just a photo moment.

What the snorkeling and SUP time feels like in real life

The best part of including lots of gear is that you can switch activities without downtime. You can swim, then try SUP, then return to snorkeling gear. You are not depending on a single session.

Snorkeling on this kind of stop usually comes down to two things:

1) getting comfortable quickly in the mask and fins

2) finding a spot where visibility is good and water isn’t too choppy

Because Dia is described as protected and clear, the conditions are often on the friendly side. Still, weather can change everything, so treat it as “best case is great, plan B is deck relaxing.”

SUP works the same way. Some people will get it right away. Others need a couple tries. The included SUP time is valuable because the boat does not assume you are already competent. It is simply there, so you can learn with time rather than panic.

Kayak is another option if you want something calmer than SUP. Fishing gear is also included, which can be a fun extra for kids who like “trying” activities rather than just swimming.

Lunch on board: Cretan flavors with kid-friendly options

By the time you head back toward the boat, you are ready for food. Lunch happens on the catamaran, after the island time. This is one of the strongest value points.

You get a freshly cooked Mediterranean lunch, described as nutritionist-designed with vegetarian options and children’s meals available on request. One reviewer specifically mentioned the lunch being handled well for a family with a shellfish allergy and intolerance, which is reassuring if you need more than basic choices.

The meal structure is described as:

• a Mediterranean-inspired main course
• followed by dessert

So you are not stuck eating “snack food” after a swim. You get a real lunch with a Cretan angle, and the wording used suggests locally sourced produce.

Drinks pair with lunch via the open bar: Greek beer and white wine are included. That gives you a good rhythm, especially if you are feeding kids too. They can just drink soft drinks and keep the energy up without having to wait for you.

The return leg: where families slow down and adults actually rest

After lunch, you sail back, and the return travel time is again about 105 minutes. This is often where the best kind of relaxation happens, because you have already done the big activity block.

Back on board, you can:

• stay on deck and work on your sun coverage
• use the outdoor shower after swimming
• grab another drink
• keep using the remaining toys if time allows

Some cruises add speeches and sales pressure. This one reads as the opposite. Reviews highlight a chilled soundtrack and a calm pace, which helps families.

One reviewer also described live Greek dancing as part of the onboard experience. That is the kind of touch that makes the cruise feel more memorable than a standard swim boat, especially if you are visiting for a special occasion or you just want something cultural without sitting in a museum.

Price and value: what $170 really buys you

At $170 per person for a 6.5 to 7.5 hour day, you are paying for three main things: the catamaran experience, the island time, and the included extras.

Here is the honest value math as I see it:

• You get a proper island swim stop (not just a quick pass)
• You get included water toys and snorkeling gear
• You get unlimited drinks during the day, which adds up fast if you were buying them separately
• You get lunch cooked on board, with options for adults, vegetarians, and kids by request

If you add up tickets for a boat trip plus rented snorkeling gear plus paid drinks plus lunch elsewhere, this starts to look less expensive than it first appears. It is still not “cheap,” but it is a fair price for a day where you can truly do the things you came for.

The small-group cap also matters. A crowded boat usually turns food and water toys into a bottleneck. Here, the limit of 20 guests, and sometimes fewer, keeps the experience more comfortable.

Who this cruise fits best (and who should think twice)

This is a family-friendly day. Reviews include a multi-generation group, plus a mom and her 9-year-old who both loved the experience. That tells me the cruise works for different ages, as long as everyone can handle water time and a boat day.

It is also good if you want:

• a relaxed day without constant planning
• a mix of activities (snorkel, SUP, kayak)
• food and drinks that are included so you can focus on the day

But read the limits carefully. It is listed as not suitable for:

• pregnant women
• people with pre-existing medical conditions
• people over 95 years
• unaccompanied minors

Also note the practical weather reality. Like all sea days, it can be rescheduled or canceled if conditions are bad. If your trip is tight and weather is a concern, consider building flexibility into your schedule.

Should you book the Dia Catamaran Cruise from Hersonissos?

If you want a day that is simple, scenic, and actually packed with water time, I think this one is worth considering. The biggest wins are the small-group feel, the included gear for snorkeling and SUP, and a lunch that is more than an afterthought.

I would book it if:

• you are staying in or near Hersonissos and want to reach Dia without a headache
• your group includes kids and you want activities built in
• you like the idea of unlimited drinks and shade on a real catamaran

I would pass or look for another option if:

• pregnancy or a medical condition makes sea days risky for you
• you know you cannot handle boat motion and cannot plan around it
• your itinerary is locked tight and you cannot tolerate weather-related changes

FAQ

How long is the Hersonissos to Dia catamaran cruise?

The duration is listed as 6.5 to 7.5 hours.

What is included in the lunch?

Lunch is included and described as a freshly cooked Mediterranean meal. There are vegetarian and children’s options available on request.

Are drinks included, and what kind?

Yes. Unlimited drinks are included: water, soft drinks, local beer, and white wine from the open bar selection.

What water activities are provided?

You can swim and use snorkeling gear. Stand-up paddleboards (SUP), a kayak, and fishing equipment are also included, along with inflatable items like noodles and an inflatable flamingo.

Is snorkeling equipment included?

Yes. High-quality snorkeling masks and fins are included.

Do I need to bring a towel?

Yes. Towels are not included, so you’ll want to bring your own.

Where do I meet the catamaran?

Meet at Hersonissos Port, and look for the DanEri Yachts flag on a white sailing catamaran. Arrive about 15 minutes before departure to check in.

Is hotel transfer included?

Hotel transfers are not included by default, but pick-up may be available if you select an option for areas including Agios Nikolaos city and Elounda, and also Plaka.