REVIEW · BLUE CAVE & GROTTO
From Positano: Capri Island Group Cruise with Blue Grotto
Capri’s coast is the real star here. From Positano, you cruise past caves, cliffs, the Faraglioni rocks, and quiet swimming spots before landing at Marina Piccola for time on the island. I like the mix of scenic cruising and free time ashore, plus the chance to see Capri from the water rather than only from its crowded streets.
I also like the practical touches: towels, mineral water, soft drinks, a glass of Prosecco, and a shower for rinsing off after a swim. Captain Stefano has earned special praise for making the trip enjoyable and pointing out the sights. The main catch is timing. The Blue Grotto costs extra, can have long queues, and may close with high tide or poor conditions.
Key points to know before booking

- Eight hours from Positano: A full day on the water, including the cruise, Capri free time, and the return along the Sorrentina coast.
- Several famous sea caves: You pass the Blue Grotto, White Grotto, Marvelous Grotto, and Green Grotto, though entering the Blue Grotto is optional and costs extra.
- Marina Piccola arrival: You avoid docking at Capri’s main harbor and reach the island through a quieter marina.
- Swimming time included: The captain may stop at suitable spots for a swim, depending on weather and sea conditions.
- Capri requires choices: A ten-minute bus ride or taxi takes you from Marina Piccola toward the Piazzetta, but seeing Anacapri, the Blue Grotto, and several historic sites in one afternoon is difficult.
- Simple meeting point: Look for the orange Cassiopea kiosk on Spiaggia Grande, Positano’s main beach.
Starting at Positano’s main beach

Your morning begins at the Cassiopea desk on Spiaggia Grande, the main beach in Positano. Look for the distinctive orange kiosk. That detail matters because Positano’s lanes can feel confusing, especially if you are arriving from a hotel higher up the hillside.
The meeting point is right by the water, so allow time to reach the beach from your accommodation. Comfortable shoes help on Positano’s steep paths and steps, even though much of the day is spent aboard the boat.
This is a group cruise with an English-speaking guide and captain. One outing had ten other passengers aboard, creating a friendly shared atmosphere without the feel of a large sightseeing ferry. The exact group size can vary, so expect a social boat trip rather than a private charter.
Once aboard, you leave Positano behind and follow the Sorrentina coastline toward Capri. The ride itself is part of the attraction. From the water, you get a broad view of the coast, with fewer road noises and no need to deal with the famously winding coastal drive.
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The caves and rock formations around Capri

The boat circles much of Capri’s coastline, giving you a good visual introduction before you go ashore. Your captain points out the main sites, and you can expect several pauses for photos and views.
The Grotta Bianca, or White Grotto, is named for its pale rock. It is one of the island’s recognizable coastal caves and is seen from the boat rather than treated as a long shore excursion.
The Grotta Meravigliosa, or Marvelous Grotto, is known for its stalagmites and stalactites. You may not get an extended stop inside every cave, but seeing these formations from the sea helps explain why Capri’s coastline has attracted sightseers for generations.
You also pass beneath or near the Natural Arch. The opening is thought to have formed when a cave collapsed, leaving a large stone arch above a small pond. It is one of those places that makes more sense when viewed from the water, where the full shape is easier to appreciate.
The Faraglioni are Capri’s most famous rock formations. These tall sea stacks rise close to the island and are a major reason to take a boat tour even if you plan to spend most of your time in town. The view changes as the boat moves around them, so keep your camera ready and protect it from sea spray.
The Blue Grotto decision

The Blue Grotto is the most complicated part of the day. You can purchase a separate entrance ticket and transfer into a small rowing boat for the short visit inside. The glowing blue effect comes from light entering the cave through an underwater opening, but seeing it depends on nature, traffic, and timing.
Long queues are common. The small boats can only take visitors in at a limited pace, and waiting can take a large part of your Capri time. The entry is also subject to weather and sea conditions. High tide can close the grotto, as happened on one outing, giving the group more time for swimming and jumping from the boat instead.
I would treat the Blue Grotto as an optional extra, not the reason to book the whole day. If you have always wanted to see it, bring extra money and accept that it may not operate. If the queue is long, you must decide if the famous blue light is worth sacrificing time in Capri.
The boat also passes the Green Grotto, named for the reflected light coming through the cave from the other side. You see the lighthouse at Punta Carena on the western coast, a familiar Capri landmark often shown in postcards. These stops give you plenty of coastal scenery even if the Blue Grotto is closed.
Marina Piccola and your time on Capri

After cruising past Marina Grande, Capri’s main harbor, the boat docks at Marina Piccola. This smaller marina is less busy and gives you a calmer place to go ashore.
From there, you can reach Capri town by one of the island’s little buses. The ride takes about ten minutes. A taxi is another option. The boat does not carry you directly to the Piazzetta, so plan for this short transfer and keep track of the return meeting time.
The Piazzetta is Capri’s central square and a natural place to begin. You can stop for a drink, watch the passing crowd, and get your bearings before choosing how to spend the rest of your free time.
Capri offers more than shopping and cafés. The suggested sights include Villa Jovis, the Certosa, the Augustus Gardens, and Villa San Michele of Axel Munthe. These are spread across different parts of the island, so you will need to be selective during a single boat excursion.
The Augustus Gardens are a good choice if you want views and a manageable visit near Capri town. Villa Jovis requires more commitment. Villa San Michele is associated with Axel Munthe, while the Certosa offers another look at the island’s historic side. You are unlikely to see all of them, plus Anacapri and the Blue Grotto, within the available free time.
Anacapri deserves special attention because reaching it takes additional travel beyond Capri town. One passenger specifically noted that getting to Anacapri or the Blue Grotto can use up a good portion of the day. That is sound advice. Choose one main goal before you leave Marina Piccola, then use the remaining time for a relaxed walk, a garden, or a drink.
Capri’s luxury boutiques are also part of the experience. Even if you do not plan to shop, window-shopping around the Piazzetta gives you a feel for the island’s polished, high-end side. Prices can be steep, so set your expectations accordingly.
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Swimming in the Mediterranean

The return trip includes one or two swimming stops if weather and sea conditions allow. The captain chooses suitable places, so the exact locations and length of each stop are not fixed.
This is one of the best features of the trip because it breaks up the sightseeing. After a morning of caves and rock formations, getting into the clear Mediterranean water gives the day a welcome change of pace. The boat has a shower, so you can rinse off before the ride back to Positano.
Bring swimwear, sunscreen, and a towel. Towels are included, but the packing list also recommends bringing one, so I would not rely on the supplied towel as your only dry layer. Still mineral water, soft drinks, and one glass of Prosecco are included.
Swimming is not guaranteed. Rough water, poor weather, or a lack of suitable stopping places can change the plan. If swimming is your main reason for booking, keep that uncertainty in mind. The coastal cruise and Capri visit remain the central parts of the experience.
The return along the Sorrentina coast

After your Capri free time, meet back at Marina Piccola at the agreed time. The return follows the coast and crosses the sea toward Positano, with more views of the Sorrentina shoreline.
This schedule gives you a full eight hours, but it is still a carefully balanced day. You have to leave enough time to get back to Marina Piccola, so do not push your visit to the last possible minute. Missing the agreed boarding time would be a serious problem on a group boat.
The return leg is also a chance to relax. You can sit back with a soft drink or your included Prosecco, watch the shore pass by, and review the day’s photographs. Captain Stefano has been singled out for his friendly handling of the trip, and that personal touch matters on a long group outing.
Is the $188.80 price good value?

At $188.80 per person, this is not a cheap way to reach Capri. You are paying for an eight-hour guided boat trip, a coastal route filled with named sights, swimming opportunities, refreshments, towels, and transportation between Positano and Capri.
The value is strongest if you want the journey itself to be a major part of your day. A simple trip to Capri that focused only on getting from one harbor to another would not provide the same views of the caves, Faraglioni, Natural Arch, Punta Carena, and Green Grotto.
The price is less attractive if you mainly want several hours to explore Capri on foot. The island free time is limited by the cruise schedule, the bus or taxi transfer from Marina Piccola, and the need to return to the boat. Independent visitors may prefer more control, especially if Anacapri or Villa Jovis is their priority.
The included drinks and towel service are useful, but they do not cover lunch. Food is not included, so budget for a meal or snack on Capri. The Blue Grotto entrance ticket is also extra.
Who will enjoy this cruise most

I would recommend this trip to you if you want a scenic introduction to Capri without arranging several separate transfers. It suits people who value coastal views, short stops, swimming, and a guided overview more than a long, detailed visit to every historic site.
It is also a good fit for a first visit to the Amalfi Coast. You see Positano from the water, cross to Capri, circle the island, and return along the Sorrentina coast in one day.
You should think twice if you are prone to seasickness. The tour is not suitable for people with that problem, and eight hours on the water is a long time. It is also not suitable for pregnant women, wheelchair users, or people over 95 years old.
Pack comfortable shoes for the beach, bus, and town; swimwear; sunscreen; a camera; and a towel. Smoking and explosive substances are not allowed. The tour is conducted in English.
Free cancellation is available up to 24 hours before departure, and you can reserve now and pay later. That gives you some flexibility when your Amalfi Coast plans depend on weather.
Should you book the Positano to Capri cruise?

Book it if you want Capri paired with a proper day on the water. The caves, Faraglioni, Natural Arch, Punta Carena lighthouse, swimming stops, and return cruise make this more than a basic island transfer.
Do not book it expecting unlimited time in Capri or a guaranteed Blue Grotto visit. The grotto may close, queues may be long, and you will need to choose between town, Anacapri, historic sites, shopping, and the optional cave visit.
For most visitors, the strongest plan is to enjoy the boat scenery, choose one main Capri sight, and treat the Blue Grotto as a bonus. With that approach, the $188.80 fare buys a well-filled day and a memorable look at Capri from the water.
FAQ
Where does the tour begin in Positano?
Meet at the Cassiopea desk on Spiaggia Grande, Positano’s main beach. Look for the distinctive orange kiosk.
How long does the cruise last?
The activity lasts eight hours. Check availability for the departure time.
Is the Blue Grotto entrance included?
No. The entrance ticket costs extra, and you transfer to a small rowing boat if you choose to enter.
Can the Blue Grotto close?
Yes. Entry depends on weather and sea conditions, and high tide can close the grotto. Long queues may also delay entry.
Is food included?
No. Food is not included. Still mineral water, soft drinks, and one glass of Prosecco are included.
Is swimming guaranteed?
No. The boat may stop once or twice for swimming if weather conditions are suitable and the captain can find appropriate spots. A shower is available for rinsing off afterward.
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