Dia Island is a simple trip with big payoff. You’re looking at crystal-clear water time plus a proper day sail out of Heraklion’s Venetian port. It’s built as a semi-private group outing, so the pace stays relaxed.

What I like most is the balance: you get active water time (swimming, snorkeling, and even SUP) and you also get real sailing time on the return, with enough space to kick back. The other big win is the onboard meal setup, with local wine, fruit, and soft drinks included.

One thing to consider: this trip isn’t all about constant conversation or a party vibe. Some people will love the calm, others will want more back-and-forth from the crew.

Key points to know before you go

• Semi-private size (up to 10 people) means a quieter, more controllable experience than big boat tours.
• SUP and snorkeling gear are included, so you can go from boat to water without extra stops.
• Dia Island feels easy-going: swim time, snorkeling, and a chance to walk around the area.
• A proper meal onboard comes with wine and fruit, so you’re not hunting food afterward.
• It’s a boat-day, not a land day. If you want lots of touring onshore, you’ll still get some time, but the water is the main event.

Dia Island from Heraklion: a 6-hour sailing reset

This is the kind of day trip that makes sense if you want Cretan sea time without turning your whole day into logistics. You start in Heraklion’s Venetian port area and head north toward Dia Island, with a smooth chunk of sailing on the way and back.

The island stop is the star. You’ll anchor, then have hours to swim and snorkel in very clear water, with chances to spot marine life up close. There’s also time on board where you can just hang out, soak up the breeze, and let the day unfold rather than rushing from stop to stop.

Price-wise, it sits at about $100 per person for a 6-hour outing that includes meal, wine, fruit, plus water gear. That’s not cheap, but it’s also not just “rent a seat on a boat.” It’s a bundled day at sea.

Where you meet: Marina Café on the Venetian port

Your start point is straightforward: the left side of Marina Café – Restaurant inside the Heraklion Venetian port. The captain meets you there about 15 minutes before the cruise starts, so you’re not left wandering.

There’s a big parking area nearby, with a low charging fee. That matters if you’re driving into Heraklion. If you’re using public transport, plan a little extra time because port areas can be busy and signage isn’t always intuitive.

For a smooth start, come ready. You’ll want to be in swimwear under your clothes, with sunscreen already applied or easy to apply quickly. The day goes fast once you’re on board.

Cruising out for about an hour: coast views and wind on your face

Once you leave the port, you get roughly an hour of sailing with scenic views heading toward Dia Island. This is a good stretch of time to settle in. You can stay on the sundeck, grab shade if you need it, and watch the coastline drift by.

If you like the feel of sailing—relaxed movement, salt air, and that little shift in the boat’s rhythm—this is the “warm-up” part of the day. It’s also the easiest time to take photos because you’re not yet surrounded by snorkel gear and towels.

On a practical level, this hour sets expectations: you’re spending most of your energy later in the water, not in long narrations or museum-style stops.

Dia Island stop: swimming, snorkeling, SUP, and a short walk

Dia Island time is where the trip earns its keep. You’ll have about four hours anchored, with a full menu of water activities.

Here’s what you can do:

• Swim and explore in the clear water from the boat.
• Snorkel and look for marine life, with snorkeling equipment provided.
• Use the SUP (stand-up paddleboard), also included.
• Fishing equipment is available if that’s your thing.
• A leisurely walk and exploring port ruins is part of the plan if you want to step away from the water.

This is also where the timing matters. You’ll want sunscreen ready before you get fully into snorkel mode. Even on a day that starts cool, the sun at sea can build quickly.

The water is the main event, but the island adds variety. The chance to see ancient port ruins and take a slower stroll keeps it from feeling like a full day of only swimming. One downside idea: if you’re the type who loves multiple swim stops, you may wish there were another anchoring spot. The plan is focused on one main water session.

On-board meal and drinks: wine, fruit, and a stress-free lunch

The meal is served onboard during the Dia Island portion and is described as lunch or early dinner. Either way, it’s timed so you’re fed while the day is still moving.

What’s included:

• Fresh fruits
• Wine (local)
• Soft drinks
• Drinking water & the rest of the refreshments that keep you comfortable

I like meal setups like this because they solve the hardest part of a day at sea: timing your hunger. You’re not trying to find a taverna after you’ve already been in the water, and you’re not forced to choose between snacks now or real food later.

Also, this is a semi-private day, so the meal tends to feel like part of the experience rather than an afterthought. That shows up in feedback where people call out the meal quality and the calm, organized way the crew runs things.

Crew and semi-private vibe: warm help, relaxed pace, small-group energy

This trip is limited to 10 participants, which changes the feel. You’re not squeezed into a boat experience where you spend all day repeating yourself or waiting for equipment.

The crew is described as experienced and very involved with keeping the day running smoothly. In one set of feedback, people specifically praised how much the crew did for them and how pleasant the overall experience felt. The boat is also described as clean and spacious, with enough room to move between sun and shade.

That said, the crew tone can be personal. One report referenced a crew member named Dimitri as more reserved during interactions. That doesn’t mean the day is bad. It just means this isn’t guaranteed nonstop banter. If you’re after a social party atmosphere, you might find the energy calmer than you expect.

Sailing procedures on the way back: more than just sitting

One neat detail is that the trip isn’t only passive. During the sailing portions, you may get the option to engage in sailing procedures. That’s the kind of thing that turns a regular cruise into a more memorable day, especially if you like hands-on moments.

On the return, you still get around an hour of sailing back to Heraklion, with scenic views on the way. Combine that with the fact that you’ve already had your water fix, and the return often feels like a relaxed victory lap.

If you’re traveling with friends and want shared moments, sailing procedures and general boat activity are the kind of small experiences that create easy conversation.

Price and value at around $100: what you’re really getting

At about $100 per person for 6 hours, the value depends on what you would otherwise pay for on your own.

This package includes:

• Experienced crew
• Meal (lunch/early dinner)
• Wine plus soft drinks and water
• Fruits
• SUP
• Snorkeling equipment
• Fishing equipment
• Taxes and fuel

You’d normally pay separately for at least the boat, the food, and the gear if you’re trying to DIY a Dia Island day. Even if you already know how to snorkel, gear rental and the boat logistics add up fast.

Extra costs to remember:

• Hotel pickup/drop-off is not included (about 18€ per person).
• Towels are not included (about 25€).

So my quick take: it’s good value if you want a one-ticket solution and you like doing water activities without coordinating equipment and timing.

What to bring and how to prepare for sun and sea

This is the kind of trip where a small packing mistake can ruin your comfort.

Bring:

• Hat
• Swimwear and beachwear
• Towel (not included)
• Sunscreen
• Passport or ID card (a copy is accepted)

Also note the no-no list:

• High-heeled shoes aren’t allowed.

One more practical item: port authority requirements mean you’ll need to provide personal details like full name, passport/ID number, nationality, gender, and date of birth in advance or close to the departure window. It’s the kind of thing that’s easy to handle early, but annoying if you leave it for the last day.

If you’re the type who runs cold, bring something light for the boat ride back. The wind can feel cooler once you’re out on open water.

Best season and day conditions: plan around the sun

Dia Island days are all about being comfortable in the water, and comfort depends on weather. One piece of guidance from feedback: March may not be the right season for this kind of sailing day unless you’re used to cooler conditions and wind. People generally recommend warmer, sunnier days.

So your best bet is to go when you expect:

• warmer air temps
• strong enough conditions to enjoy the breeze
• water time that feels pleasant, not rushed

If you’re traveling in peak summer, you’ll likely feel right at home.

Who should book this Dia Island sailing trip?

This trip fits best if you want:

• a small-group boat day (up to 10 people)
• water activities handled for you (SUP and snorkeling equipment included)
• a meal and drinks you don’t need to plan

It’s less suitable if you rely on wheelchair access, since it isn’t set up for wheelchair users.

Also, it’s a good choice for couples, friend groups, and solo travelers who want a relaxed day with enough structure that you don’t have to figure out the details.

If you want nonstop onshore sightseeing, keep your expectations focused on the sea. You’ll get some time for a walk and port ruins, but the center of gravity is swimming and snorkeling.

Should you book Avanti Sailing’s Dia Island trip?

I’d book it if you want a clean, organized sailing day that trades stress for swim time, snorkeling, and a simple meal onboard. The semi-private size, included gear, and onboard food make it a solid “show up and enjoy” option.

I’d think twice if you hate calm vibes and want a lot of guided chatter. This trip is built around the water and the sailing rhythm, not an interactive lecture or a party atmosphere.

If you’re planning a day in Heraklion and you want Dia Island to be the highlight, this one is a strong candidate.

FAQ

Where is the meeting point for the Dia Island sailing trip?

You meet at the left side of Marina Café – Restaurant in the Heraklion Venetian port. The captain will be there about 15 minutes before departure.

How long is the trip and what happens during the time on Dia Island?

The total duration is about 6 hours. You spend about 1 hour cruising each way, with roughly 4 hours at Dia Island for activities like swimming, snorkeling, and leisure time.

What’s included in the price?

The included items are an experienced crew, drinking water and soft drinks, wine, a meal (lunch/early dinner), fruits, SUP, snorkeling equipment, fishing equipment, taxes, and fuel.

Do I need to bring my own towel?

Yes. Towels are not included (you can expect a towel cost of about 25€).

Are hotel pickup and drop-off included?

No. Hotel pickup and drop-off are not included and are listed at about 18€ per person.

What should I bring to be comfortable on board?

Bring a hat, swimwear, a towel, sunscreen, and beachwear. You should also bring your passport or ID card (a copy is accepted).

Is the tour suitable for wheelchair users?

No. This experience is not suitable for wheelchair users.