Some days in Greece come with one main story.

This one is a swap: Delos ruins to Rhenia swimming.

I love how the day moves fast but never feels rushed. You get time to explore the UNESCO site on Delos (if you want it) and then you get a real sea break at Rhenia with a BBQ lunch on board.

One thing to plan for: the boat ride can be choppy, and Delos gets brutally hot with little shade in summer. If you’re not a strong swimmer, you’ll want to be smart about how you approach the Rhenia beach stops.

Key points worth knowing

• Two big-name stops in one trip: UNESCO Delos + beach time on uninhabited Rhenia.
• Rhenia is the payoff: crystal-clear water, swimming, and options like jumping off the boat deck.
• Delos is self-guided: you explore on your own for about two hours, with plaques and a map.
• BBQ lunch comes onboard: BBQ with fruit, plus lots of time to eat after your first swim.
• On-board energy is real: music and a dance party on the return trip shows up in many experiences.
• Bring sun and water for Delos: heat and limited shade can shape how you experience the ruins.

Why Delos and Rhenia make sense together

This trip works because it combines two very different parts of the Cyclades in one day. Delos is all about stone, scale, and atmosphere—an ancient place that still feels eerie even when the sun is blasting. Rhenia is about water and breathing room. It’s uninhabited, and that matters: you don’t get the usual Mykonos crowd pressure.

You also get a smart pacing choice. At Delos, you can disembark for a self-guided walk around the ruins for about two hours, or you can stay aboard and swap history for another swim stop. That flexibility is great if you’re traveling with mixed interests or different energy levels.

And yes, the day has personality. The boat is run by a crew that sounds like they actually like people. Names you may hear include Mola and Mohamed, plus Captain Michael and Poala, depending on the sailing day.

Price and value: what you’re really paying for

At about $101 per person for roughly 6.5 hours, you’re paying for three things: transport by boat, a beach-and-swim day on Rhenia, and the time on Delos. You’re also paying for someone to run the whole operation so you don’t have to solve logistics yourself.

What’s included:

• Boat trip
• BBQ and fruit
• Fuel and crew

What’s not included:

• Delos entrance fee (approx €20)
• Hotel pickup and drop-off
• A guide specifically for Delos
• Snorkeling equipment (sold onboard)

That entrance fee detail is the big “hidden math” part. If you plan to go into Delos, budget that extra amount. Still, the overall value stays strong because you’re getting real time at sea and a built-in lunch, not just a quick bus-and-taxi loop.

Getting started at the Old Port bus station

You meet at the bus station at the Old Port of Mykonos. It’s practical because you’re already in the right part of the island for boats, not trekking across town.

Plan to arrive a few minutes early. One reviewer had a stressful moment finding the right operation, so I’d treat this like a time-sensitive pickup. Once you’re with the right group, it’s usually smooth: crew members are out there, and the boat setup is clear.

Bring your passport or ID card. Greece is usually flexible, but on-day tours still expect basic paperwork.

Rhenia Island: 3 hours of swimming, BBQ, and easy beach time

Rhenia is the highlight when the day goes right. It’s uninhabited, and that shows in the vibe—less noise, more space, and beaches that feel like you earned them by getting out there.

You sail about 45 minutes to Rhenia. Then you get roughly three hours for swimming, a BBQ lunch onboard, and free time on the island area.

What the Rhenia stop feels like

You can expect:

• Jumping in from the boat deck
• Time to snorkel (equipment is not included, but you can buy it on board)
• Enough time to relax after you eat

A couple of practical notes from real experience:

• The water can feel cool at first, but it’s usually manageable once you’re in.
• The beach approach can be tricky if you’re not confident in the water. One person noted the boat stops off the beach (about 50 yards), and you exit into the water. If you’re a weak swimmer, this might limit your options.
• Snorkeling is not a guaranteed win everywhere. One review said snorkeling wasn’t great at their specific spot, so think of it as a bonus, not a promise.

The BBQ lunch: better than it sounds

You get BBQ and fruit during the Rhenia portion of the day. People consistently describe the food as good, and it’s a welcome moment after time in the sun and salt water.

A common detail: drinks are part of the onboard experience, and several people mention unlimited white wine and soft drinks. Even if wine isn’t your thing, you’re not left thirsty while you’re working up an appetite.

If you can, time your first swim so you’re not starving while you’re eating. The best sea days are the ones where you don’t rush your appetite.

Delos UNESCO ruins: 2 hours of self-guided walking in full sun

After Rhenia, you head to Delos. Sailing takes about 30 minutes, and then you get a self-guided visit with about two hours on the UNESCO site.

This is where you decide your style:

• Want the ancient place? Get off and walk.
• Prefer sea time? Stay on the boat and choose another swim.

What you can realistically do in two hours

Two hours is enough to feel the scale of Delos and see several major areas—especially if you don’t get stuck trying to read every plaque slowly under the sun.

Do this like a pro:

• Start high and efficient. One suggestion was to go straight toward the mountain/temple area first, then work your way through the rest.
• Carry water and sunscreen. Multiple people flagged that it gets extremely hot, and there’s little shade. You’re exploring ruins, not a shaded garden.
• Expect walking on uneven ground. Delos is a ruin site, so comfy shoes matter.

A key “no guide” factor

Delos is self-guided, not guided by a dedicated person included in the price. That means you’ll rely on plaques, maps, and your own curiosity.

On the plus side, you can move at your pace. On the minus side, you might miss small context if you’re hoping for a talk-through. Still, many people find it totally doable with the on-site signage, and some also mentioned the museum experience.

If you want structured explanation, you can still do that on your own by reading a little before you go. But if you’re fine exploring independently, Delos is worth every step.

The boat ride reality: choppy water and a party on the way back

This is a sea day, so treat it like one. Some boats days are smooth. Some feel like a washing machine. Your trip can be either, depending on wind and waves.

A couple of practical takeaways:

• Bring motion-sickness meds if you’re sensitive. One reviewer specifically warned the ride can be rocky.
• If it’s windy, the return trip can feel rougher. Still, crew members are attentive and help keep people comfortable.

Then there’s the fun part. Many people describe the return as a dance party with music and singing, with crew enthusiasm that makes it feel like a shared celebration rather than a choreographed gimmick.

If you’re not into dancing, it’s still worth it for the energy, the views from the water, and the fact that the day ends on a high note.

What to bring (so you don’t regret it later)

Pack for heat, water, and jumping on/off a boat.

Must-haves:

• Passport or ID card
• Sunscreen
• Water (especially for Delos)
• A swimsuit and a quick-dry towel
• Good grip sandals or water shoes (some beaches can be rocky)

Nice extras:

• Snorkeling equipment if you already have it, otherwise plan to buy it onboard if you want it
• Motion-sickness meds if you’re prone to it
• A small dry bag for phone and ID when you’re in and out of the water

Clothing tip: after Delos, you’ll feel the sun again. Wear something light but protective. You’ll be glad you did when the heat hits.

Who this trip is best for

This boat tour is a strong fit for you if:

• You want Delos without the stress of planning transport and timing
• You care about swimming in clear Aegean water
• You like tours with a social vibe and active time, not a silent guided march
• You’re okay with self-guided exploring at Delos

It’s also a great “couples or mixed group” choice because you can split your priorities at Delos. One person can walk ruins, another can stay onboard for more water time.

It may be less ideal if:

• You hate boats in rough weather
• You need guaranteed shade and long indoor museum-style pacing
• You’re not comfortable with water entry if the Rhenia beach approach is farther out than expected

Should you book this Delos and Rhenia boat trip from Mykonos?

Yes—if you want the best of two worlds in one day. For the money, you’re getting transport, a real swim stop at Rhenia, and UNESCO ruins time at Delos, plus an onboard atmosphere that feels like the crew wants you to have fun (Mola, Mohamed, Michael, Poala—names people mention).

Before you book, do this quick check:

• Are you willing to handle sun and heat for Delos (and bring water)?
• Are you comfortable enough to swim when the boat anchors offshore?
• Can you handle some choppy boat time?

If you said yes to those, this is a high-value Mykonos day trip. It’s not just a checklist tour. It’s a sea day with ancient ruins as the contrast, and that mix is exactly why people keep repeating it.

FAQ

How long is the Delos & Rhenia half-day trip from Mykonos?

The duration is about 6.5 hours.

Where do I meet for this boat trip?

Meet at the bus station at the Old Port of Mykonos.

Is the entrance fee to Delos included in the price?

No. The Delos entrance fee is not included and is approximately €20.

Do I get a guide for Delos ruins?

No guide is included for Delos. The ruins visit is self-guided.

How much time do I have on Delos?

You have about 2 hours for sightseeing on Delos.

Is swimming and snorkeling included?

Swimming is included at Rhenia. Snorkeling equipment is not included, but you can purchase snorkeling equipment on board.

Is BBQ lunch included?

Yes. BBQ and fruit are included as part of the onboard lunch.

What should I bring?

Bring your passport or ID card. It’s also smart to bring sunscreen and water since Delos can be very hot with limited shade.