Fast boats. Cooler water. Fewer crowds. This private day trip is built for people who want to slip out of Dubrovnik and spend the day on the western Elaphite Islands plus the southern side of Mljet.

What makes it work is the mix of structured stops and flexibility—your skipper can shift timing around your pace. You’ll do planned time for Blue Cave on Kolocep, then Lemuni Lagoon on Mljet, and still have room for lounging and swimming in coves along the Elaphites.

I like two things about this experience right away: the private-group setup (up to 7 with a crew) and the boat comfort that makes a long day feel relaxed (sun deck, shaded areas, and onboard conveniences). The one drawback to weigh is the cost structure: fuel is not included, and you’ll pay €300 in cash to the skipper, plus lunch is extra.

Key highlights at a glance

• Small private group (up to 7): more time for your pace, fewer “wait your turn” moments.
• Beneteau Flyer 850 Sun Deck Cruiser: a fast, stable-feeling dayboat sized for comfort.
• Snorkeling-focused stops: Kolocep’s Blue Cave and multiple coves on the Elaphites.
• Mljet’s Lemuni Lagoon time: built in for swimming and exploring the southern side of the island.
• Included water toys: snorkeling gear and a paddleboard are part of the package.
• Crew-led routing: reviews mention skippers like Iso and Peter guiding the day with good pacing.

Why this itinerary feels calmer than most Dubrovnik sea days

Dubrovnik can be intense in summer: heat, lines, and a lot of people funneling into the same photo spots. This tour gives you a clean escape route. You’re out on the water for most of the day, where the motion cools things down and where you can actually choose how long you stay in each place.

The biggest “value” isn’t just that you visit multiple islands. It’s that the day is planned around swimming and snorkeling opportunities, with time windows that are flexible. That matters because Adriatic weather and sea conditions can change fast. You’re not stuck in a rigid checklist where you spend your energy rushing.

Also, the private format changes the vibe. With up to 7 passengers and a crew, you’re not fighting for elbow room on ladders, over towels, or near the snorkel spots. It’s the kind of day that works well when you want photos, but you’d also like a real break.

Your boat day starts on a proper dayboat (not a crowded ferry)

This excursion runs on a Beneteau Flyer 850 Sun Deck Cruiser. It’s listed with LOA up to 8.7 m (29 ft), beam 3.0 m (9 ft), and a cruising speed of 22 knots. That combination is a hint that you’ll be traveling efficiently between islands rather than spending half the day crawling along.

The boat is designed for practical comfort for up to 8 people plus the crew. Onboard perks that matter during a full day include:

• Bimini-top sunshade for when the sun gets heavy
• Swim ladder and freshwater shower after water time
• Refrigerator (so the included drinks stay drinkable)
• Stereo with Bluetooth and basic power options (220 V plus USB outlets)
• A cabin and toilet setup so you’re not reliant on island facilities

You also get snorkeling equipment included and a paddleboard. If you’re the kind of person who likes changing activities every hour—snorkel, swim, paddleboard, relax—this boat plan supports that.

And yes, they provide hotel/port pickup and drop-off. You won’t have to wrestle with parking or figure out timing on your own.

Stop 1: Kolocep and the Blue Cave swim-and-snorkel window

Kolocep Island is your first real taste of what this day trip is about: water time fast. The stop is about 45 minutes, and a Blue Cave admission ticket is included.

Here’s what that means in plain terms: you’re getting a short, focused shot at a signature spot, without turning the day into a bus-tour line. The time frame is described as flexible to your comfort and preference, so you’re not trapped in a minute-by-minute pace.

What I’d watch for: 45 minutes is enough for a swim and a snorkel session, but it’s not enough to do everything slowly and still spend forever on the boat. If you care about snorkeling specifically, come ready: put your snorkel gear on quickly when you’re in the water, and don’t let “just one more look” eat the clock.

Best for: people who want an early wow factor and then a smooth flow into Mljet.

Stop 2: Mljet and Lemuni Lagoon on the southern side

Next comes Mljet, with around 3 hours for swimming and exploring Lemuni Lagoon on the southern side. A lunch option is mentioned as optional, which is good because you can decide whether you want a sit-down meal or to keep it lighter.

Why Lemuni Lagoon time is valuable: this is a more “stay awhile” stop than Kolocep’s quick hit. You can float, swim, rinse off, and get into that slower rhythm you came for. Mljet’s southern setting also tends to feel less hectic than Dubrovnik, so even with people around, the day still breathes.

Practical note: since lunch isn’t included, decide before the day whether you want to buy food on-island or eat something lighter from your own plan. The boat includes beverages, so you can at least keep energy steady between swim sessions.

Possible drawback: you may not get as much time in Mljet for beach-style hanging as you would on a longer overnight or dedicated island stay. This tour’s strength is movement and variety, not staying put all day on one shore.

Best for: couples and small groups who want an easy mix of lagoon time and classic Adriatic water.

Stop 3: Sipanska Luka for west Elaphite wandering (Jakljan and Sipan)

After Mljet, you head to Sipanska Luka for about 2 hours. The focus here is the western Elaphite Islands—Jakljan and Sipan—plus time to stroll around, swim, and explore, with admission listed as free for this segment.

This portion is the “choose your own flavor” break in the itinerary. You can treat it as:

• a short walk + a refresh in the water, or
• a linger-and-snorkel stop if conditions look good, or
• a photo-and-swim combo if you’re collecting coastal views.

Because this is a private tour, the pacing can be realistic. If everyone wants to stretch legs more, your skipper can often adjust within the overall time window. If you’re more into water than walking, you can keep your shore time practical.

Watch for this: 2 hours goes quickly if you try to do shoreline wandering, snorkel, and a full rest. Pick what matters most to your group.

Best for: people who like their itinerary to include a little “on land” time without turning it into a hike day.

Stop 4: Elaphite coves for one final snorkeling and swim hour

Your final stop is the Elaphite Islands for about 1 hour, focused on swimming and snorkeling in the coves. Admission is listed as included for this part.

This is the closer that makes the whole trip feel cohesive. You end with what you likely came for most: water time in quieter coves. The short duration also keeps the day from dragging. You’re not forced into a long final slog back to Dubrovnik feeling exhausted and under-slept.

My advice: if you’re hoping to snorkel hard, use the first half of this final hour for your best water time. Save “relaxing floating” for later. Once sun and salt do their thing, it’s harder to be motivated for a second snorkel session.

The onboard “comfort math”: what’s included and why it matters

It’s helpful to look at the small inclusions because they affect how much you’ll spend and how often you’ll plan around the day.

Included items:

• Snorkeling equipment
• Paddleboard use
• Beverages: water, fruit juices, sodas, and beer
• Freshwater shower on the boat
• Skipper/crew, plus pickup and drop-off

Not included:

• Fuel costs: €300 per booking, payable directly to the skipper in cash
• Lunch

That fuel detail is the one part I’d put in the same bucket as “know before you go.” The headline price is for the boat day up to 7 people, but the on-the-water reality is you still cover fuel. If you split the cost among friends or family, it can feel less sharp—but it’s still extra cash at the end of the day.

The drinks being included is a real comfort perk. You’re less likely to feel “we should buy something now” after a long swim session. And the freshwater shower reduces the stress of ending the day with salt-scratch hair and itchy skin.

Timing and pacing: how to make an 8-hour day feel easy

The excursion runs about 8 hours. That sounds long until you remember the day is built for movement: travel time between islands, then swim time in chunks.

Here’s how I’d plan your energy:

• Morning: commit to snorkeling gear early at Kolocep
• Midday: take your time in Lemuni Lagoon since that’s your longest stop
• Afternoon: treat Sipanska Luka as flexible—walk if you feel like it, swim if you don’t
• Final hour: prioritize snorkeling if that’s your main goal

It also helps that reviews mention skippers who actively shape the itinerary. One review credits Iso for helping curate an itinerary based on what the group would enjoy. Another names Peter as hospitable and great for a honeymoon day. A third mentions Esso as wonderful and called the boat trip a highlight.

That kind of crew-led pacing is exactly what turns a standard tour into a day that feels personal.

What to pack so you don’t waste time once you’re on the water

You’ll get the snorkeling gear, but you should still bring your own basics. The tour recommends:

• towels
• swimsuits
• camera
• sunblock

I’d add a couple of practical items:

• a dry bag if you have one, so your phone and charger stay safe
• reef-friendly sunscreen if you use it (not required, just a nice-to-have)
• quick-dry sandals or water shoes, since you’ll be transitioning between boat and shore

Also, bring a bit of flexibility. Short stops mean you’ll spend more time moving than “planning.” If you want maximum water time, have your swim setup ready.

Value for money: when this private boat day makes sense

At $1,403.97 per group (up to 7) for about 8 hours, this isn’t a budget activity. It’s priced like a private day—boat, crew, included gear, and beverages.

So the real question is: does it replace multiple smaller tours and still give you breathing room? For me, it does when you fit one of these boxes:

• You’re traveling as a couple, group of friends, or family and want to avoid crowds.
• You want snorkeling and swimming without scheduling headaches.
• You prefer guided pacing with flexibility rather than rigid shore excursions.
• You’ll actually use the included drinks and snorkeling/paddleboard rather than treating them as extras.

If you’re traveling solo and comparing against public boat options, it’ll likely feel expensive. But if you split the group cost, the math changes quickly.

A few words on weather and how the day is protected

This experience requires good weather. If it’s canceled due to poor weather, you’ll be offered a different date or a full refund.

That’s important in this part of the Adriatic. Boats are fun, but safety and sea conditions come first. The tour also sends confirmation within 48 hours subject to availability, so you’ll know your date soon enough to plan the rest of your Dubrovnik days.

Should you book this Dubrovnik Elaphite and Mljet boat day?

I’d book it if you want a private, water-first day that mixes iconic swimming spots with quiet coves. The combination of Kolocep’s Blue Cave, Mljet’s Lemuni Lagoon, and multiple Elaphite island stops is a solid “see a lot, but stay in the water” plan.

I’d think twice if you hate paying extra once on the water (fuel is a clear add-on), or if you’re expecting a long, beach-lounging day on only one island. This is for people who like variety and motion.

If that sounds like you, you’ll probably love the simple rhythm: pickup, hop on a comfortable fast boat, snorkel and swim in short, satisfying chunks, then return sun-kissed and happy—without the Dubrovnik crowd fatigue.

FAQ

How long is the private boat excursion?

The duration is listed as about 8 hours.

How many people are on the boat for this private tour?

The Beneteau Flyer setup is comfortable for up to 8 persons plus the crew (skipper).

Is pickup from your hotel or port included?

Yes, hotel/port pickup and drop-off are included.

What stops are included during the day?

You’ll visit Kolocep Island, Mljet Island (Lemuni Lagoon), Sipanska Luka (for Jakljan and Sipan), and then swimming/snorkeling at the Elaphite Islands.

Is snorkeling equipment included?

Yes, snorkeling equipment is included.

Is lunch included?

No, lunch is not included (it’s described as optional at Mljet).

What about fuel costs—are they included in the price?

Fuel costs are not included. You pay €300.00 per booking directly to the skipper in cash.

Are any admission tickets included?

Blue Cave admission on Kolocep is included. Lemuni Lagoon admission on Mljet is included. Admission for Sipanska Luka is free, and the Elaphite Islands segment is listed as included.

What’s the cancellation policy if weather is bad?

The experience requires good weather. If it’s canceled due to poor weather, you’ll be offered a different date or a full refund.

Is the tour good for most people?

The information says most travelers can participate. It’s also a private tour, so only your group takes part.

If you want, tell me your travel month and who’s going (age range, swimmers vs snorkelers), and I’ll help you decide if this timing and stop mix fits your group.