Two islands, one day, and real Aegean freedom. This kind of outing works because you get Delos with a licensed guide and a real break on the quiet, uninhabited Rhenia. The yacht side of the day feels hands-on too, with the crew sharing how sailing works and letting you enjoy the ride at your own pace.

I especially like two things: the guided walk through Delos (with stops at major monuments and standout mosaics) and the chance to actually swim and snorkel from the yacht at Rhenia. The food and drinks help, but it’s the mix of history on land and water time that makes the day click.

The main drawback is simple: the sea can be rough. Several experiences note wind and choppy waves on the crossing, and if you’re prone to motion sickness, you’ll want to be ready for a bumpy ride (and possibly a wet one on the way back).

Key highlights

• Licensed Delos guide for about 1½–2 hours, plus audio earpieces that make the walk easier to follow
• Rhenia’s 2 hours of free time in an uninhabited, anchor-anchored bay with swim access from the yacht ladder
• Snorkeling gear included: mask, snorkel, fins, and floating noodles
• Onboard Greek lunch and drinks served during the day, including house wine and soft drinks
• Sailing experience on a real yacht, with sail-handling and steering tips when weather permits
• Mount Kynthos viewpoint hike for big Cycladic island views

Why the Delos + Rhenia combo feels smarter than doing them separately

If you care about both ancient sites and water time, this day trip saves you from the usual Mykonos problem: you either spend the day on transport, or you trade the ruins for the swim. This outing stacks both into one flow.

Delos is the big draw. It’s a UNESCO-listed archaeological site where you walk through a sanctuary packed with monuments and mosaics from multiple periods (Archaic, Classical, and Hellenistic). On the yacht side, Rhenia is the reset button: a small, uninhabited island separated from Delos by a narrow strait, where the water is clear enough to make swimming feel like part of the experience rather than a side activity.

You also get a “day at sea” feel, not just a ferry-like transfer. One of the things that shows up again and again is the way the crew keeps you involved while still letting you lounge. You might be shown how to trim and raise the sails, and if conditions allow, you may even get the chance to steer. If you like a hands-on vacation vibe, that matters.

The yacht ride from Mykonos: what you’ll do, and what can go sideways

This is a sailing day, so expect movement. The schedule typically starts with a safety briefing, then you sail away from Mykonos with segments of sailing time (often around an hour, plus additional stretches on the water depending on routing). There’s also time onboard to settle in and enjoy the ride.

Here’s what I think you should plan for:

• Comfort is part of the value. You’re on a yacht with deck space to sunbathe, relax, and watch the coastline pass. Wi‑Fi is included, and some passengers mention the availability of cabins and bathrooms below deck.
• The crew sets the tone. Music can be played through the onboard sound system, and you’ll get explanations about island history and sailing basics while you’re underway.
• The “roughness” factor is real. Multiple experiences describe a rocky or choppy ride due to wind and waves—especially on the return trip. One guest said they were splashed and drenched more than expected, and another warned motion sickness should be taken seriously.

If you get seasick easily, I’d treat this as a caution, not a scare story. The best prep is practical: eat lightly beforehand, bring any motion-sickness remedy you trust, and consider staying higher on deck for visibility (some people feel better that way, though it varies). If you want to minimize wetness, you may also prefer staying under deck when the waves are bigger.

Rhenia’s swim stop: the calm, secluded payoff (and the snorkeling reality)

Rhenia is where the day turns from walking to playing. Once you reach the bay, the yacht typically drops anchor in turquoise, clear water, and you’ll have about 2 hours of free time to swim and snorkel.

You’re not just thrown in and left to figure it out. The yacht provides snorkeling gear—mask with snorkel and fins—and also floating noodles. That means even if your snorkeling skills are basic, you can still float around and look at the water through the clear surface.

What makes the stop special is the setting:

• It’s an uninhabited island, so you’re not dealing with beachfront crowds.
• The water is described as extremely clear, with people seeing fish—and in one case, an octopus crawling along the sea floor.
• The swim ladder setup makes it easy to get in, without a long walk to the water.

The trade-off: snorkeling isn’t guaranteed to be a reef parade. One account notes there wasn’t much to see beyond sand, which can happen when conditions and visibility don’t line up with your expectations. Still, even if the underwater show is limited, the “jump, float, swim, repeat” rhythm is the point here.

Tip that will save you time: keep your swimwear on if you can. Several people mention the boat ride back can get wet, so you’ll be happier if you’re ready for damp clothing changes.

Delos with a licensed guide: what you’re really paying for

Delos is an outdoor museum with real walking, heat, and very exposed sections. This is exactly where a licensed guide earns their keep.

You get a guided tour for roughly 1½–2 hours, with a walk through the sacred area and key monuments. The kinds of things you can expect to hear about include:

• significant structures associated with major cult areas (including the Temple of Apollo, named in multiple experiences)
• impressive mosaics
• how the site developed across different historical periods (Archaic, Classical, Hellenistic)

A detail I’d call out for comfort: you may be given earpieces. People mention that the audio devices made it easy to hear the guide clearly while walking the ruins. If you’ve ever tried to keep up on an archaeological site with wind and crowd noise, you know how valuable this is.

The tour also includes a hike up Mount Kynthos—listed as about 367 feet—for views over the Cycladic islands. In practical terms, it’s a payoff climb, but it’s also weather and time dependent. If it’s hot or the schedule runs tighter, you might not get all the way to the top. Either way, the climb is usually the moment when the whole island suddenly makes sense visually.

One more practical thing: at Delos, dress code is modest—walk shorts, pants, and t-shirts. Closed-toe shoes are also recommended because you’re walking on uneven ground. Bring a light cover-up for sun, but don’t assume shade will save you.

The Greek lunch onboard: value, portions, and dietary reality

Lunch isn’t an afterthought here—it’s built into the flow, usually during the Rhenia portion of the day. The yacht lunch is described as a buffet-style service with homemade pasta plus Greek salad, plus fresh local fruits. Drinks include house wine (white and rosé), along with soft drinks, bottled water, and instant coffee/tea.

Why this matters: many Mykonos day trips force you to choose between a mediocre meal and an overpriced one. Here, the food is part of the day at sea, so you don’t lose your time to a search for lunch or sitting on a bus with no breaks.

Dietary notes from real experiences are mixed, so don’t assume one perfect menu. A few people specifically mention vegetarian-friendly choices and gluten-free options. If you have stricter needs, I’d plan for the safest bets: Greek salad, vegetables, and pasta are common components. If you want protein beyond cheese, tofu, or fish, you may want to ask in advance what will be available.

And yes, there’s also a farewell shot drink at the end of the day.

Price and logistics: how to judge whether it’s worth $141

At around $141 per person for a 1-day yacht cruise, the value comes from what’s included together:

• the yacht cruise itself (with fuel included)
• a licensed English-speaking guide at Delos
• lunch on board plus house wine and soft drinks
• snorkeling equipment for the Rhenia swim stop
• basic onboard comforts like Wi‑Fi and safety equipment

What costs extra: the Delos entrance fee is not included and is payable on-site (cash is mentioned as the payment method). So your true total depends on that ticket.

Also consider transfers. Pickup and drop-off shuttle service is optional and costs extra if you choose it. If you don’t pick the transfer option, you’ll still need to get yourself to the meeting area.

One logistics wrinkle worth flagging: the meeting point can change based on weather, and you confirm the exact location the day before. You’ll recognize the crew by their t-shirt or sign saying Sunfos Alessia Yachting.

A smart strategy: schedule this earlier in your Mykonos stay. Weather can shift plans, and if you only have a short window, you don’t want to gamble your whole schedule on a single day.

Who this yacht day suits best (and who should skip it)

This is a strong match if you want:

• Delos as a guided experience, not a self-guided rush
• time on the water for swimming and floating
• a day with real variety: ruins, mosaics, a viewpoint hike, then clear-water swimming and lunch onboard
• an outing that mixes structure (guided Delos) with freedom (Rhenia time)

It’s less ideal if:

• you have mobility limitations (it’s stated as not suitable for wheelchair users and people with mobility impairments)
• you get very seasick and can’t tolerate choppy water on either crossing

Even if you’re comfortable at sea, keep the modest outfit rule for Delos in mind. You’ll be walking in heat, so pack what keeps you functioning.

Should you book this Delos and Rhenia yacht day?

I’d book it if you’re the type of traveler who wants one memorable day to do two different kinds of sightseeing: world-class ruins plus a real swim in quiet water. The combination of a licensed Delos guide, included lunch with drinks, and snorkeling gear makes it feel like more than the sum of its parts.

I’d also be cautious if rough water is your deal-breaker. The ride can get choppy, and some people come back wet and shaken up. If you’re unsure, bring motion-sickness precautions and plan your comfort.

If your priority is a relaxed day with minimal boat movement, this may not be your best match. But if you can handle sailing and you want Delos done properly, this is one of the better ways to spend a day from Mykonos.

FAQ

How long is the Mykonos Yacht Cruise to Rhenia and Delos?

It’s listed as a 1-day experience, with the overall outing running on a full day schedule.

Is lunch included?

Yes. Lunch is included onboard, with the meal described as homemade pasta and Greek salad, along with fruit and drinks.

What drinks are included?

White and rosé house wine, soft drinks, bottled water, and instant coffee or tea are included. A farewell shot drink is also included.

Do I need to pay an entrance fee for Delos?

Yes. The entrance fee to the Delos archaeological site is not included and is payable on-site (cash is specified).

What snorkeling gear is provided?

You get snorkeling gear including a mask with snorkel and fins, plus floating noodles.

Is pickup and drop-off included?

No. Pickup and drop-off shuttle service is not included, but it may be available for an additional charge as an option.

Where do I meet the crew?

The meeting point can change and is confirmed the day before depending on weather. Look for a representative/crew member with a t-shirt or sign reading Sunfos Alessia Yachting.

What language is the guide?

The live tour guide is listed as English and Greek.

Is the tour suitable for wheelchair users?

No. It’s listed as not suitable for people with mobility impairments and wheelchair users.

What should I bring for the day?

Bring your passport or ID, windbreaker, sunglasses, sun hat, swimwear, a change of clothes, a towel, sunscreen, and closed-toe shoes.

Can I cancel for a full refund?

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