A trip like this makes the Aegean feel close. You get a Mykonos departure, a UNESCO stop at Ancient Delos, and then beach time at the uninhabited island of Rhenia. I especially like the mix of options at Delos (stay aboard and swim, or go ashore for a 2-hour visit) and the chance to trade crowds for calm coves. One drawback to keep in mind: your timing can shift with weather and docking, so it’s smart to confirm what happens on the day.

What really helps this cruise feel worth it is how efficiently the day is built. You’re not spending half your time on logistics. You’re getting lunch onboard plus real water time, then heading back to Mykonos in the evening.

Quick Takeaways Before You Sail to Delos and Rhenia

• UNESCO time at Ancient Delos with a shore option that’s built for a focused visit rather than rushing.
• Two ways to do Delos: stay onboard for swimming, or disembark for a 2-hour tour.
• Rhenia’s uncrowded beaches and snorkel-friendly water are the point of the second half of the day.
• Lunch and drinks included, which makes the $117 price feel more “all-in” than many half-day trips.
• Crew support matters, and people note the team can be patient with weather and flexible with pacing.

A 6.5-Hour Route That Feels Like the Cycladic Sisters in One Shot

This is a short day cruise with a big payoff. You’re essentially bundling the “hits” people chase in the South Aegean—Mykonos scenery, Ancient Delos as a UNESCO site, and then the quiet water playground of Rhenia—without turning it into an all-day chess match.

The total duration is about 6.5 hours, and that length is a real planning advantage. It’s long enough to feel like you left Mykonos behind, but short enough that you won’t feel wrecked when you return in the evening. For many people, that’s the sweet spot: history in the morning, then water time when your brain is ready to switch off.

Where You Meet: New Port of Mykonos and What to Prep

You’ll board at the New Port of Mykonos, directly opposite the Olia Hotel. That’s useful because Mykonos can be confusing on first arrival. Once you know the port location, the rest of the day is simple.

Bring your passport or ID card. Also, your passport details need to be sent at least 12 hours before the cruise so you can be added to the passenger list. This is mandatory by port authorities to get permission to embark, so don’t leave it until the last minute.

If you’re the type who hates paperwork surprises, plan to send your details early. It’s one of those small steps that prevents big stress when it’s time to board.

Ancient Delos: UNESCO Heritage With a Practical 2-Hour Rhythm

Ancient Delos is the anchor of the itinerary. It’s UNESCO world heritage, and it’s famous for the feeling of standing in a place that shaped the ancient Cyclades. You’ll sail to Delos first after departing from Mykonos.

Here’s how the Delos portion works in a way that’s actually traveler-friendly: you have two choices. You can stay on the boat and enjoy swimming, or you can disembark for a memorable 2-hour tour of the site. That 2-hour window is the kind of timebox that helps you cover what matters without feeling trapped in a constant “move, move, move” schedule.

One important detail for planning: Delos entrance fees are not included, and an English (or other language) speaking guide or escort for Ancient Delos is not included either. A live tour guide is listed for the activity itself (English and Greek), but for the specific Ancient Delos guidance, you should expect you may need to arrange that through the site or your cruise provider’s setup. So, budget for both the entrance fees and what kind of guidance you want on the ground.

Stay Onboard or Go Ashore: Choosing the Right Delos Day

This is one of the smartest parts of the cruise design. If your goal is water time first, you can remain onboard and swim in the blue and green waters while the ship is set for Delos. That’s a nice option if you’re traveling with kids, if you don’t love walking ruins in strong sun, or if you want a break before your next stop.

If your goal is archaeology and viewpoints, disembarking for the 2-hour Delos tour makes more sense. You’ll be able to explore and see more of what makes Delos special as a UNESCO landmark. Two hours isn’t everything, but it’s enough to feel like you truly visited rather than just passing through.

The choice matters because it changes how your day feels. The onboard option feels lighter and more “sea day.” The shore option is more “site day.” Either way, you’re not locked into one pace.

Rhenia Island: The Uninhabited Beach Stop That Changes the Mood

After Delos, the cruise sails straight to Rhenia. This is where the itinerary flips from land-based heritage to sea-based relaxation.

Rhenia is uninhabited, and that’s exactly why it works. People go for sandy coves, clear crystal waters, and the chance to enjoy beaches that tend to feel less crowded. If you want postcard water without the same pressure you can find in more developed islands, this is the part of the day to look forward to.

Once you’re there, you can swim and snorkel, and the cruise is built around enough time for you to actually enjoy the water rather than treat it like a quick stop. It’s a good place to slow down, float, and stop checking the time.

A practical note: some negative experiences involve confusion or reduced time at Rhenia in certain circumstances. That doesn’t mean it won’t happen, but it does mean you should keep flexibility in mind, especially if you’re the kind of person who plans every minute for a specific beach.

Onboard Comfort: Lunch, Drinks, and the Crew’s Tone

This cruise includes lunch on board and drinks and beverages. That matters more than it sounds. On a short 6.5-hour outing, having food and drinks included helps you stay relaxed. You’re not trying to buy snacks at port or squeeze a meal between tours.

The overall onboard vibe is described as easy going. People also mention onboard entertainers, which helps take the edge off any choppiness and turns the ride into part of the fun rather than just getting there.

In terms of service, there are standout mentions of crew members such as Joana and Kristo, including people appreciating how patient the team was when weather started cold and rainy at the beginning. You might also find the crew willing to help in small ways that make a difference—like letting someone borrow a jacket when conditions turned. If that kind of practical care matters to you, it’s a good sign.

Price and Value: What $117 Buys (and What It Doesn’t)

At about $117 per person, this cruise can feel like strong value because several day-cruise extras are already covered. The price includes:

• cruise escort
• lunch onboard
• drinks and beverages
• all local taxes

That’s the bulk of what tends to make a day trip expensive. Where you have to plan separately is the Delos entrance fee and any specific Ancient Delos guiding/escorting you want in English or your preferred language.

So how do you judge the value for you? If your ideal day includes a real boat lunch plus a UNESCO stop plus real swim time, the bundled cost works well. If you’re someone who already has entrance fees and guides figured out, you still benefit from the boat and the water time, but you’ll want to confirm how the Delos guidance is handled for your language and expectations.

The biggest “hidden variable” isn’t the price. It’s how the day moves with weather and docking. If you’re comfortable with that reality, the money-to-experience ratio looks good.

Timing and Weather: The Reality Check You Should Plan For

The Aegean can change fast. Cloud cover, wind, and rain can all affect comfort on deck and sometimes the schedule of stops. One person noted weather was cold and rainy at the start, and the crew waited for the rain to calm so they could explore Delos at their own pace. That’s exactly how you want a boat crew to handle weather: patient and practical.

At the same time, there are also some negative stories where the time allocation didn’t match expectations, and Rhenia didn’t happen as planned. That’s the consideration you should take seriously if Rhenia is your main reason for booking.

My advice: treat this as a sea day with history attached, not a guaranteed minute-by-minute plan. If Rhenia time is a must for you, send your questions before departure. Also, check how the cruise communicates on the day if weather shifts.

Who This Cruise Fits Best

This is a strong match if you want:

• UNESCO Delos without doing the whole thing as a private expedition
• a relaxed timeline with snorkel and swim time
• a short trip that still gives you a full “changed scenery” feeling

It can also work well for families, since the included onboard food and entertainers can help keep kids comfortable. If you’d rather stay flexible, the option to swim instead of going ashore at Delos is a big win.

If you are the type who needs a perfectly fixed itinerary and every stop for a specific amount of time, you’ll want to go in with realistic expectations about weather and docking.

Should You Book This Mykonos Cruise to Delos and Rhenia?

I think this booking makes sense when you want a day that mixes Ancient Delos UNESCO with the calmer feel of Rhenia’s beach coves. The included lunch, drinks, and the structure of Delos (onboard swim or a 2-hour shore tour) are exactly the kind of practical details that keep a half-day cruise from feeling like a rushed checklist.

I’d consider booking this when:

• you value water time as much as monuments
• you don’t mind a bit of schedule flexibility
• you want a guided framework for Delos, plus the option to choose your pace

I’d pause and ask more questions first if:

• Rhenia is your single top priority
• you need strict timing to catch other plans immediately after returning to Mykonos

FAQ

How long is the cruise from Mykonos?

The duration is about 6.5 hours.

Where do I meet for the cruise?

You meet at the New Port of Mykonos, exactly opposite the Olia Hotel.

Is lunch included?

Yes. Lunch on board is included, along with drinks and beverages.

Are Delos entrance fees included?

No. Delos entrance fees are not included.

Do I need to send my passport information in advance?

Yes. Passport details must be sent at least 12 hours before the cruise so you can be included on the passenger list, as required by port authorities.

Is cancellation free?

Yes. You can cancel up to 24 hours in advance for a full refund.