Dia Island by luxury catamaran is pure Crete. This half-day sail pairs Dia’s calm-bay swimming with a restaurant-quality lunch cooked onboard, plus an open bar as you take in nonstop Aegean photo angles from a modern catamaran.

I really like how the day balances easy downtime (shaded lounging, swimming gear, inflatable toys) with optional action like SUP, canoe boards, and fishing. The staff also seem to run on precision and warmth, including a real onboard chef (Charis) who can handle special meal requests.

One thing to think about: the schedule runs tight and the boat leaves exactly on time, so you’ll want to be punctual at the Marina Café meeting spot. Also, since the main menu is seafood-based, you should request meat/vegetarian/kids options ahead of time if that’s important for your group.

Key highlights to look for

• Dia Island swim time in turquoise, boat-only bays with solid snorkeling setup
• Chef Charis onboard cooking a fresh Mediterranean lunch you can actually taste
• Open bar included with local wine, beer, soft drinks, and water
• All the extras are there: SUP, canoe boards, fishing gear, plus inflatable sea toys
• Onboard comfort with shower, men’s and women’s WC, and free Wi‑Fi
• Optional sea scooters only if you book ahead and follow the priority order

From Heraklion Port to Dia Island: the vibe of this luxury day sail

This isn’t the kind of boat day where you spend most of the time bouncing around and wondering where your lunch went. The EOS Yachts setup feels built for comfort: a modern catamaran, shaded zones, and a calm rhythm that lets you actually enjoy the water.

You start in Heraklion Port near Marina Café, then cruise out with quick stops along the coast for views before you anchor off Dia Island. The island is tied to myth and legend, and the real payoff here is practical: you get access to bays that are hard to reach on land, which means better snorkeling conditions and a more relaxed feel once you’re anchored.

The best part for most people is the mix of active and easy. You can snorkel with provided gear, paddle on a SUP or canoe board, float on inflatables, or just take photos while the crew does the sailing and the meal work.

Meeting at Marina Café: start on time, pack smart

Your meeting point is straightforward: a crew member welcomes you at the entrance of Marina Café in Heraklion Port and guides you to the check-in spot. Plan to arrive 15 minutes early because the cruise departs on the scheduled minute.

Bring the basics that make a sea day enjoyable:

• Swimwear + towel
• Sunscreen + hat
• Water (and yes, you’ll also get drinks onboard)
• Camera

Two practical notes. First, you’ll need to handle some paperwork for Greek naval regulations: full name, passport or ID number, date of birth, nationality, and gender. Second, this is not a pets-on-boat situation, and smoking indoors is not allowed.

Rocca a Mare and the quick “see Crete from the water” moment

Right after setting sail, there’s a short photo stop at Rocca a Mare Fortress. It’s brief, but that’s the point: you get a classic landmark view without turning the day into a sightseeing slog.

Then you’re back on board for the open-water cruising stretch. On a catamaran, that usually means less pitching than smaller boats, which matters if you’re the type who prefers calm over chaotic waves. Even if the sea is a bit lively, the boat’s setup gives you places to sit and recover.

This early cruising time also serves a purpose. By the time you reach Dia Island, you’re warmed up, oriented, and ready to switch into swim-and-snorkel mode.

Dia Island time: snorkeling, calm-bay swimming, and optional paddling

Once anchored near Dia Island, you’ll get about 3.25 hours in the water area. That’s a meaningful chunk. It’s enough time to do more than one swim session, try snorkeling, take breaks, and still feel like you didn’t just “dip in and rush out.”

Here’s what’s available while you’re anchored:

• Swimming and snorkeling with high-quality snorkeling gear and swimming vests
• SUP (stand-up paddleboards) equipment
• Canoe board equipment
• Fishing gear
• Inflatable sea toys and swimming noodles

The snorkeling part is especially practical. The seabed around Dia is described as full of life, and having gear that works well makes a big difference in whether snorkeling feels relaxing or annoying. If you’re bringing your own mask, you might still want to use their kit because it’s set up for this specific outing.

If you like to be on the water under your own power, the SUP and canoe board options are a fun way to explore the immediate area without needing a guide to lead you anywhere. If you want low-effort fun, the inflatables are there for floating and photo time.

One small consideration: the island-side time is fixed, so if your idea of “Dia” is a long land hike, you may find the boat schedule doesn’t give you unlimited freedom. Still, some people use the island’s time to explore on foot if conditions allow, but the core value here is water access.

The lunch you actually remember: Mediterranean seafood, meat, and vegetarian

This is where the experience earns its top rating.

You’ll eat a freshly cooked Mediterranean seafood lunch onboard, using high-quality local ingredients. Then you get seasonal fruits, a local Cretan dessert, and raki as the traditional finish. Drinks are built into the deal too: an all-inclusive open bar with unlimited water, soft drinks, local white wine, and beer.

The key word here is freshly cooked. A lot of boat lunches are basically “food you can eat.” This one is set up as a meal. In the onboard context, it also means fewer compromises: no long buffet lines, no lukewarm mystery plates, and less waiting while you stare at the sea trying to decide if you’re hungry.

Chef Charis is specifically mentioned in glowing terms, including people describing his cooking as a surprise highlight. That chef attention also shows up in how they handle meal needs. The menu is seafood-based by default, but there are alternative options for meat (chicken), vegetarian, and a kids menu. If you want those, tell the reservation team at least 1 day before so the kitchen can plan properly.

A quick balance note: because seafood is the main menu, this may not be the best fit for strict seafood-free eaters unless you’ve arranged the alternate option in advance.

Open bar and sunset energy: how the day winds down

After the anchored swim time, you head back for lunch and the later part of the sail. Drinks stay part of the rhythm, and that helps the day feel like a true leisure experience rather than a checklist.

The return cruise back to Heraklion is also part of the magic. You’ll sail toward home with golden Aegean views, and the overall flow gives you a natural “morning to afternoon to sunset” feel even though the total duration is about 5.5 hours.

If you’re the type who likes a few calm photos at the end, this matters. You don’t just leave Dia Island and move on. You keep the sea-view atmosphere going long enough to get that classic late-day light.

Onboard comfort: shower, WC, shade, and staying connected

Luxury at sea usually comes down to small things working well. Here are the onboard basics you’ll appreciate:

• WC for men and women
• Shower
• Free Wi‑Fi
• Plenty of shaded areas for sun breaks

That shade detail shows up as a real quality-of-day factor. On a Greek summer day, sun can feel intense fast. Being able to cool off between swims without hunting for cover makes it easier to stay comfortable for the whole 5.5-hour loop.

Also, having a shower isn’t just a convenience. It turns the day into a clean reset so you don’t feel sticky for the rest of your Heraklion evening plans.

And yes, the free Wi‑Fi is there if you want it. If you don’t, you can ignore it and just let the day be about the water and the food.

Sea scooters and other request-only extras

Not everything is automatically included as a “try it anytime” item.

Sea scooters are available only if you book ahead, and priority order is respected. If you want them, treat that as an “add-on decision” rather than a last-minute hope.

Other activities are more straightforward because the gear is onboard:

• Fishing gear is included
• SUP and canoe boards are included
• Inflatable toys are included
• Snorkeling gear and swimming vests are included

A simple strategy: if you’re set on sea scooters, request them early. If you’re flexible, you’ll still have more than enough things to do without that extra.

Who this catamaran cruise is for (and who should think twice)

This outing is a strong match if you want:

• A comfort-first boat day (not cramped, not rushed)
• Proper lunch onboard instead of a simple snack
• Water time with real activity options like snorkeling and paddling
• A crew that handles details smoothly, with professional English-speaking service

It may be less ideal if:

• You hate seafood unless you’ve planned the meat/vegetarian option ahead of time
• You’re allergic to the basic reality of sea weather (wind and sun matter, and some people even note wishing the weather was warmer)
• You want a full day on Dia Island for long land exploration, since this is a sea-based anchored experience

Group vibe seems to be intimate rather than huge, based on how people describe feeling like they had space to relax. That’s usually a good sign for comfort and service quality.

Should you book the Heraklion to Dia Island luxury catamaran?

I’d book it if you want a true “day off the mainland” experience with an emphasis on comfort, good food, and water activities that don’t require planning once you’re there.

The price at around $122 per person makes sense when you think about what’s included: the catamaran cruise, anchored swim time at Dia Island, snorkeling gear and water toys, and a chef-prepared Mediterranean lunch plus an open bar. If you were to hire a private boat or piece together lunch + drinks + proper gear, the cost usually climbs fast.

If you’re mainly looking for the cheapest option, there are cheaper ways to see Crete. But if your priority is a well-run luxury-style sea day that actually delivers on food and swim time, this is one of the easiest calls to make.

FAQ

Where is the meeting point?

You meet at the entrance of Marina Café in Heraklion Port, where a member of the EOS Yachts crew guides you to the boat for check-in.

How long is the Dia Island catamaran experience?

The duration is listed as 5.5 hours.

What time should I arrive?

Arrive at least 15 minutes before your scheduled departure because the cruise leaves at the planned time.

What’s included with lunch and drinks?

Lunch includes a freshly prepared Mediterranean menu (seafood by default, with meat or vegetarian options available) plus seasonal fruits, local Cretan dessert, and raki. Drinks include unlimited water, soft drinks, local white wine, and beer.

Is snorkeling gear provided?

Yes. High-quality snorkeling gear and swimming vests are included.

Can I request a meat or vegetarian menu?

Yes. The main menu is seafood-based, but you can request meat (chicken), vegetarian, or a kids menu. You need to inform the reservation department at least 1 day before the trip.

Is Wi-Fi available onboard?

Yes, there is free Wi‑Fi onboard.

Are sea scooters included?

Sea scooters are not automatically included. They are available on request with advance booking, and priority order is respected.

What should I bring for the trip?

Bring hat, swimwear, towel, camera, sunscreen, and water.

Do I need to provide ID details when booking?

Yes. For Greek naval regulations, you must provide full name, passport or ID number, date of birth, nationality, and gender during booking or at least 1 day before departure.