One boat day, three wow-factor water stops. This full-day cruise from Agia Anna to the Small Cyclades mixes a classic wooden boat ride on the IASON with Rina Cave swimming and real time on Ano Koufonissi to reset your pace away from the Naxos crowds. You get included snorkel gear, multiple chances to jump in, and a charcoal-style Greek BBQ lunch that feels like it’s part of the experience, not an add-on.

The two things I like most are the swim options (you can jump or use the ladder at Rina Cave) and the way the crew keeps the day rolling with food, drinks, and friendly energy. One possible drawback: the boat is set up for up to 100 people, so if you’re sensitive to crowding, peak-summer sailings may feel tight.

Key highlights at a glance

• Rina Cave swim choice: jump from the boat or go down by ladder
• Ano Koufonissi stop: about 2.5 hours to walk, swim, and grab coffee/dessert
• Kato Koufonissi water time: no docking, you swim from ladders near shore
• Onboard Greek BBQ with options: classic plates plus vegan/vegetarian choices
• Snorkeling included: gear, pool noodles, and safety gear are part of the package
• Best-day energy: the crew runs the day like a party, with music and constant attention

Setting Out From Agia Anna: The Start Matters

Most island-day plans fail at the first 30 minutes. This one mostly works because the meeting is simple and the timing is clear: you meet at Jason Daily Cruises in Agia Anna Port, then depart at 09:30.

From there, the cruise gives you a long first stretch along Naxos’s eastern coastline—about 1 hour and 45 minutes of sailing. That matters because you’re not rushed into swimming immediately. You get time to settle in, find a spot, and enjoy the coast views as the boat heads toward the Small Cyclades.

If you get motion sickness, plan for that early sailing. Even with an experienced captain, wind can make the ride choppier. I’d bring your go-to remedy and keep an eye on the weather, especially if seas look rough.

The IASON Wooden Boat: How the Day Feels Onboard

This isn’t a quiet, luxury yacht day. It’s a traditional IASON wooden boat experience designed for fun, swimming, and group energy. Capacity is listed at 100 people, and you’ll feel it most during the boarding-and-lunch rhythm when everyone is trying to move at once.

That said, the crew setup helps. You’re provided with basics that make water time easier: life jackets, a lifebuoy, and pool noodles, plus snorkel equipment for the snorkeling portions. People aren’t left scrambling for gear, which is a big deal if you’re traveling with kids or you just don’t want to worry.

Also, I like how the day is paced with drinks and food starting early. Local wine and soft drinks are part of the experience from the first stop, so you don’t feel like you’re waiting hours for the fun to start.

Kato Koufonissi: The First Swim Stop, Plus BBQ Time

After the long coast sail, you reach Kato Koufonissi. The vibe here is pure Small Cyclades: bright water, dramatic coastline views, and the kind of swim stop that makes you forget you ever needed a schedule.

One key practical point: the boat does not dock at Kato Koufonissi. Instead, you swim from the sea near shore using ladders. That’s normal for this kind of coastline, but it does mean you should wear swimwear under your clothes and keep your towel ready.

This stop also comes with the onboard rhythm that makes the day feel complete. You get included coffee and local wine, then lunch and BBQ are part of the package timing. The standard meal includes items like:

• salad (tomato, potato, peppers, onions) and tzatziki
• fresh bread
• souvlaki skewers (pork or chicken)
• fresh fruit

Vegan menu options are specifically mentioned too, including solmadakia (vine leaves stuffed with rice) and gigantes (butter beans). You can request meal modifications, which helps if you’re vegetarian, vegan, or need something adjusted.

When Kato Koufonissi is calm, this is the part of the day that feels easiest. When it’s windy, you may find the water time still great—but the boat movement can be more noticeable. If you’re bringing snorkeling gear into choppier water for the first time, keep it simple: start slow, breathe, and follow the crew’s timing.

Ano Koufonissi: Two Hours to Walk, Coffee, and Beach Time

Next comes the island stop on Ano Koufonissi, about 30 minutes of sailing later. This is where the cruise stops being only about water and becomes a real break on land.

You get roughly 2.5 hours on Ano Koufonissi, which is long enough to do something besides stand around taking photos. You can explore on foot, check out beaches, and enjoy views back toward the sea.

You’ll also get little taste-of-Greece moments that make the island feel real:

• time for Greek coffee
• dessert at a traditional café (there’s mention of a favorite orange pie treat)
• room to shop or wander near the center

A useful reality check: in the time window you have, you’re not trying to do everything. You’re picking one or two things—like walking to a beach access point you like, then stopping for coffee—and making it count.

This is also a good stop for people who want a calmer break between swims. If you’ve been on boats all day before, you know the “swim, swim, snack” pattern can get tiring. The Ano Koufonissi segment breaks that up and resets your energy.

Rina Cave Swim: The Main Event on Naxos’s South Coast

Then the day turns into something special: Rina Cave on the south coast of Naxos. This is the stop most people end up talking about afterward.

You’re given time for a photo stop and then about 1 hour for swimming and snorkeling. This is the part where the experience goes from pretty to memorable because you’re swimming in and around a natural sea cave.

You’re not just watching from a boat. You get a choice:

• jump from the boat, or
• go down by ladder for a swim inside the cave

That choice matters. If you’re comfortable jumping, it’s a fun way to build momentum for the cave swim. If you’re not, the ladder option keeps it accessible and still gets you into the experience.

The cave environment is also a strong reason to bring your sunscreen and your best water patience. You’ll likely want to spend a bit of time getting oriented, watching for sea life, and snorkeling calmly rather than rushing. Even if you’re not an expert snorkeler, the included gear and pool noodles make it easier.

If the water is rough, cave access can be affected. In some cases, caves may be skipped due to weather. If you’re booking with the hope of a specific cave swim, treat it as a priority—but also know that the operator can reschedule if winds and rough seas force a change.

Food and Drinks: More Than a Lunch Box

The BBQ is a big part of why this cruise feels worth the money. You’re not stuck with bland, pre-made food. Lunch is cooked fresh onboard—described as a charcoal BBQ style with souvlaki cooked on a grill at the back of the ship.

The menu is straightforward Greek comfort:

• salad and tzatziki
• bread
• meat skewers (pork or chicken)
• fruit

And again, vegan/vegetarian options are not just an afterthought. Vegan menu items are explicitly listed, so you can eat without playing guesswork.

Drinks-wise, local wine is included alongside soft drinks and water. The crew keeps beverages flowing throughout the day, and there are also small snack moments near the end (like watermelon), which makes the finish feel like a reward rather than an automatic return trip.

For me, the value of this setup is how it supports the whole day. When you’re swimming in bright sun and salty water, food timing matters. You eat while you’re already in the flow of the day, not after you’ve lost your appetite.

Snorkeling Gear and Safety: What’s Included, What You Should Bring

A lot of Greek tours say snorkeling is included and then make you feel like you’re borrowing a toy. Here, you get the basics: snorkel equipment, plus life jackets, a lifebuoy, and pool noodles.

That’s a good blend for mixed groups—strong swimmers, casual swimmers, and people who want buoyancy support.

Still, bring what keeps you comfortable:

• sunglasses and a hat
• swimwear (wear it under clothes)
• a towel
• sunscreen
• weather-appropriate clothing in case wind makes it cooler out on deck

One more practical note: nudity isn’t allowed. Keep it swimsuit-only and you’ll avoid awkward moments and keep the crew focused on the experience.

Time, Crowd Levels, and Motion: Realistic Expectations

This cruise is built for a full day, not a quick hit. Duration is listed at about 9.5 hours, which means you’re signing up for a long stretch with multiple swim stops and island time.

Crowding is the only thing that really varies day to day. In October or late season, it’s easier to feel comfortable. In high summer, the boat can feel packed when everyone is moving around. If you dislike tight spaces, aim for shoulder season if your dates are flexible.

Motion is the second variable. Wind can make the ride slower and choppier. The good news is that the captain and crew are focused on keeping passengers safe and positive. The realistic advice is: if you know you get seasick, prepare for it.

Price and Value: What $106 Buys You

At about $106 per person for a 9.5-hour outing, you’re paying for a full package:

• cruise and the sailing segments
• three different swim stops (including the Rina Cave highlight)
• island time on Ano Koufonissi
• BBQ lunch with wine
• coffee plus water and soft drinks
• snorkeling gear and safety gear
• pool noodles for easier water comfort

Is it luxury? No. You’re on a boat with other people, and you’ll be sharing space. But value-wise, this is one of those days where the included costs add up fast. You’d spend similar money just for a boat rental plus food and gear if you tried to do this independently.

I especially think the price makes sense if you’re not staying on Naxos for a long time. This cruise covers a lot of what people chase around the Small Cyclades without making you plan a route.

Who This Cruise Suits Best

This is a great fit if you want:

• a full-day water-and-island mix
• multiple swim chances rather than one quick stop
• included snorkeling gear
• real Greek food onboard (with vegan/vegetarian options)

It’s also a good choice for groups and mixed ages. The crew atmosphere tends to be friendly and active, and you’re constantly checked on during water moments.

I’d think twice if:

• you strongly dislike crowds and tight movement aboard a boat
• you get motion sickness and haven’t handled it well on boats before
• you want a quiet, minimalist day with no music or group energy

Should You Book the Rina Cave-Koufonisi BBQ Cruise?

If you want your Naxos trip to include that “how is this real water?” feeling, I’d book it. The combination of Rina Cave swimming, a proper Ano Koufonissi village stop, and a real onboard BBQ lunch makes it feel like a complete experience, not a checklist tour.

Book it with your expectations set correctly: this is a shared boat day on a traditional IASON vessel, built for swimming. If that matches how you like to travel, you’ll likely have a top highlight.

If you’re unsure, here’s the simplest decision rule: if you’re excited about cave swimming, snorkeling time, and eating onboard with included drinks, this is a strong yes.

FAQ

How long is the cruise?

The experience runs about 9.5 hours.

Where do I meet the tour?

Meet at Jason Daily Cruises at Agia Anna Port.

Does the boat dock at Kato Koufonissi?

No. The boat does not dock there, and you swim from the sea using ladders.

What swimming and snorkeling is included?

There are three different swim stops, snorkel equipment is included, and you’re provided with safety items like life jackets, a lifebuoy, and pool noodles.

How long do you stay on Ano Koufonissi?

You have about 2.5 hours on Ano Koufonissi.

Can you swim inside Rina Cave?

Yes. You can choose to jump from the boat or go down by ladder for a swim associated with Rina Cave.

Is there vegan or vegetarian food?

Yes. Vegan options are available, including solmadakia and gigantes, and you can request meal modifications.