Sardinia by boat beats the usual beach day. This day trip around Isola San Pietro feels like a greatest-hits tour: you’re cruising past cliffy coves, stopping for snorkelling in clear water, and ending with an aperitif on board. You’ll also get a super personal feel since the boat keeps the group small (max 8), and the guide team, Luca and Luca, is known for being warm and easy to be around.

I like that the schedule mixes quick photo moments with longer swims, so you’re not stuck doing one thing all day. The one thing to keep in mind is that it depends on good weather. If the day gets rough, the trip can be changed or refunded, so build in flexibility if you’re on a tight itinerary.

Key things you’ll notice on this San Pietro boat day

• Tiny group (max 8) so the boat feels calm, not chaotic
• Real snorkelling windows at Cala Mezzaluna and Le Spine/Capo Sandalo area
• Iconic coast highlights like Punta delle Colonne and the Capo Sandalo lighthouse cliff
• Fish-and-cave style swimming at Cala Mezzaluna’s “natural theater” spot
• Aperitif included to close the loop on a long, sun-and-sea day
• Sand-bottom final swim at Spiaggia La Bobba, with calm, clean water

Getting on Annina II in Calasetta: simple start, small-boat feel

Your day kicks off at 9:30 am at Lungomare Cristoforo Colombo, 89, in Calasetta (SU). The finish is back at the same meeting point, so you’re not juggling buses or figuring out how to get from one end of the island to the other. Since the area is near public transportation, it’s fairly straightforward to stitch this into the rest of your Sardinia plan.

The boat is operated by Annina II, Escursioni in barca. The key advantage here is scale: with a maximum of 8 travelers, you’re not fighting for space on deck or waiting forever to get in and out at the swim stops. That matters when the day includes multiple water breaks and a longer lunch stop. It also tends to make the guide’s attention feel more personal—useful when you’re snorkeling and want to understand where it’s best to swim and how the crew plans the timing.

One more practical point: the tour is in English, and you’ll have a mobile ticket. If you like a “show up and go” travel day, this is built for you.

Punta Nera views and early coast spotting: setting the tone fast

The first part of the trip is about orientation and atmosphere. You pass in front of Punta Nera, a beach with low, wild dark brown cliffs covered in Mediterranean scrub. Even though you’re not stopping there for a long swim, this is the kind of coastline that helps your brain understand what makes Isola San Pietro special: lots of cliffs, coves, and that sense of “the sea carved this place.”

This early cruising time also helps you settle in before the first real swimming and snorkelling breaks. If you’re the type who gets antsy on tours that start slow, it can actually work the other way: you get pretty views while everyone finds their rhythm, then the day becomes more active.

Punta delle Colonne: a quick photo stop with real character

Next up is Punta delle Colonne, where the boat passes close to a natural monument: a rock monolith rising from the sea. It’s only a stop window of about 10 minutes, but it’s the kind of place that’s worth that kind of time. You’re not rushing through a generic photo spot; you’re getting a specific rock feature that looks dramatic from the boat.

If you care about photos, this is a good moment to grab them before you’re wearing snorkeling gear and thinking about where to enter the water. Think of it like your “set the mental bookmark” stop: you’ll see it again later in your memory when you look back at this trip.

Cala Mezzaluna: the snorkelling and swim highlight

Cala Mezzaluna is where the day turns into water time. You reach an area described like a natural theater, with high cliffs dropping toward a blue sea. The key ingredients are practical for snorkelers: caves, outcropping rocks, and a seabed rich in fish. You’re not just swimming in open water where it’s hard to know what you’re looking at. Here, there’s structure.

The stop is about 40 minutes. That’s a sweet spot. It’s long enough to do a proper swim, check the water, and snorkel at your own pace, but not so long that you feel cooked in the sun. Since snorkeling and swimming breaks are the heart of this tour, this timing is a big part of why people rate it so highly.

Possible drawback: 40 minutes goes faster than you think once you’re breathing through a snorkel and trying not to “panic-fish” every time you float. If you’re new to snorkeling, I’d use the first couple of minutes to get comfortable—then you’ll enjoy the rest more.

Capo Sandalo and Le Spine: lunch + lighthouse cliff + falcon territory

After Cala Mezzaluna, you head toward the Capo Sandalo area. You’ll pass under the cliff with the characteristic lighthouse. One of the more interesting details tied to this spot is that it’s the favorite place for Eleonora’s falcon for nesting. Even if you never spot the bird itself from the boat (no guarantees are stated), it adds a real sense that this coastline isn’t just pretty—it’s part of a living ecosystem.

Snorkelling and swimming happen at Le Spine, paired with lunch. You have around 20 minutes described for the Capo Sandalo segment, but the day plan specifically places a swim and lunch in the “Le Spine” bay area. The takeaway for you: this is a two-for-one stop. You get food, you get water time, and you’re still moving enough that you’re not stuck in one place too long.

What I like about this layout is that lunch isn’t an awkward break where everyone’s hungry and the sea is calling. It’s scheduled right when you’ve already been swimming earlier, so it feels like a natural rhythm: swim, eat, then cruise past another dramatic cliff.

If you want to maximize comfort, eat a bit lighter than you think you need. It’s a boat day in the sun. You’ll be happier later if your stomach isn’t fighting the heat.

Spiaggia di Cala Fico: quiet inlet cruising (and why silence matters)

Spiaggia di Cala Fico is described as a deep inlet wrapped in silence, with high barren rock walls. This one is shorter—about 20 minutes—and the plan is to go around the small bay and then resume navigation slowly back toward the starting point.

Here’s why this stop is still valuable, even if it’s not another long swim break: it gives your eyes a different kind of beauty. After the action of snorkelling, Cala Fico feels like the coastal version of turning down the volume on your trip. You get time to look at the rock walls and the way the water changes along the inlet.

Practical note: this is also a good moment for anyone who feels a little seasick earlier in the day. Sitting still or staying toward the center of the boat often helps, and the slow navigation can feel gentler.

Spiaggia La Bobba: the last swim break with calm, sandy water

For the final swimming break, the tour chooses Spiaggia La Bobba. The water transparency is a standout, and the seabed is sandy. It’s also described as calm and very clean, which makes it a strong closing stop if you want an easy swim after several earlier water moments.

This stop is about 30 minutes. That’s long enough to get one last satisfying swim and snorkel time without dragging on too much. It also works as a “reward” moment after the earlier cliffs and caves—La Bobba is the softer landing.

A small consideration: after multiple entries into the sea, you might find your energy is the limiting factor, not the water. I’d plan to go easy at the last stop. You’ll enjoy it more and you’ll arrive back feeling like you had a complete day, not a sprint.

The aperitif moment: turning a good day into a remembered one

The tour includes an aperitif, and that detail matters more than it sounds. When you’re out for roughly 7 hours, you need something at the end that feels like a finish line, not just a transit back to the dock.

This is also a good time to slow down and actually talk—about what you saw, what you liked best, and whether you’d come back to Isola San Pietro. On a small boat with up to 8 people and a crew described as welcoming (Luca and Luca), the aperitif can make the whole day feel friendly and human.

Price and value: is $151.17 a fair deal?

At $151.17 per person for an approximately 7-hour guided boat day, you’re paying for three things that are hard to replicate on your own: boat access around the island, multiple curated stops, and a guided schedule that builds in snorkelling plus time for lunch.

Here’s how I’d judge the value for your money:

• You’re not just cruising. There are multiple swim breaks and snorkelling planned, including a dedicated 40-minute stop at Cala Mezzaluna.
• You get an actual lunch stop associated with the Le Spine bay area, not just a “bring your own” half-hour break.
• You’re in a small group (max 8), which usually improves the experience you feel on the water.

Could a DIY boat day be cheaper? Sometimes, yes. But you’d be doing more planning and timing work, and you’d likely lose the benefit of having the route and stops already shaped into a smooth day.

If you like structure and want a day that feels like it hits the best parts efficiently, this price looks fair.

Who this tour is best for on your Sardinia trip

This boat day makes the most sense if you want sea time without the hassle. It’s a good match for couples, friend groups, and solo travelers who like a guided pace and don’t want to spend the day navigating between tiny coves.

It’s also a strong pick if:

• you want snorkelling but prefer someone to handle the route and timing
• you like photography opportunities without a heavy hiking component
• you want an experience centered on the island of San Pietro, not just a generic coastal drive

Who might not love it as much: if you’re hoping for long, uninterrupted beach time (hours on one beach), the trip is more “many best-of stops” than “one place all day.” The swim windows are timed, and the boat keeps moving.

A quick checklist so you enjoy the water breaks

You’re going to be in and out of the sea, so keep your gear simple:

• Wear swimwear under your clothes to save time when it’s go time.
• Bring sun protection (and something to handle wind on the boat).
• Bring a towel if you have one available to you on your travel day.
• If you snorkel occasionally, give yourself a minute to get comfortable before you extend your swim.

If you’re traveling light, you’ll still be fine—this is not a hiking-heavy day. But comfort in the sun matters.

Should you book this Carloforte-style boat day with snorkelling and aperitif?

If your ideal Sardinia day includes crystal-clear stops, at least one serious snorkelling session, and a relaxed pace with an aperitif at the end, I’d book it. The small group size and the way the day mixes coves, caves, and cliff scenery make it feel like more than a basic boat tour.

The main reason to pause is the weather dependence. Because the experience requires good weather, you’ll want some breathing room in your schedule. If you can handle a plan shift, this is exactly the kind of guided day that saves you time and effort while still feeling authentic.

Book it if you want the coast of San Pietro to feel close up, not distant through car windows.

FAQ

How long is the boat tour?

It lasts about 7 hours.

What time does it start?

The start time is 9:30 am.

Where is the meeting point?

The meeting point is Lungomare Cristoforo Colombo, 89, 09011 Calasetta SU, Italy. The tour ends back at the same place.

Is the tour offered in English?

Yes, it is offered in English.

How many people are on the boat?

The maximum group size is 8 travelers.

Does the tour include snorkelling and an aperitif?

Yes. The experience includes snorkelling and an aperitif.

Is there lunch during the day?

Yes. Lunch is planned during the stop at Le Spine.

What happens if weather is poor?

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

Can I cancel for free?

Yes. You can cancel up to 24 hours in advance for a full refund. If you cancel less than 24 hours before the start time, the amount paid is not refunded.

How soon will I get confirmation after booking?

Confirmation is received within 48 hours of booking, subject to availability.

You Might Also Enjoy

Waikiki Beach: Turtle Snorkeling and Sailing on HāweaMaui Snorkeling Adventure From Ma’alaea Harbor to MolokiniWest Maui Afternoon Snorkel from Ka’anapali BeachWaikiki Beach: Turtle Snorkeling and Sailing on Hāwea