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Guide · Blue Grotto
Capri boat tour to the Blue Grotto: what really happens
The Blue Grotto is the stop everyone asks about, and the one no boat can promise. A Capri boat tour to the Blue Grotto takes you to the mouth of the cave; the sea, the tide and a small rowing boat decide the rest.
Check availabilityfrom $461 · cancel at no cost
Editorial team, capriprivateboattour.comUpdated October 18, 2026Read time: 6 min20 sources
Straight answer
- 01How you get in
- Lying down in a small rowing boat, as the entrance is very low and narrow.1
- 02Why it closes
- Visits depend on the tides and the weather.2
- 03Hours
- Italia.it lists 9:00 am to 5:00 pm, Sunday to Saturday.3
- 04The ticket
- Not included on the private boat we book; it is paid on the spot.
- 05Our boat
- A private group of 3 hours with the grotto as an optional stop, from $461.
What the Blue Grotto is
The Blue Grotto, the Grotta Azzurra, lies in Anacapri on the island's northwest coast, and its entrance is partly submerged by the sea.4 Inside, the water glows a deep blue that changes with the time of day and the weather. The color comes from sunlight that enters through the opening and reflects off the sandy floor.5
It has a long human history too. In antiquity the cave was a nymphaeum, decorated with sculptures of a sea procession following Poseidon.6 Four Roman statues found in the grotto are on show today at the Casa Rossa in Anacapri.7 Above the cave lie the remains of one of the twelve Roman villas on the island, by tradition owned by Emperor Tiberius.8
A Capri boat tour to the Blue Grotto does not sail into the cave. The boat takes you to the waters outside the entrance, and from there the visit continues in a different, much smaller boat. Knowing this in advance saves a lot of confusion on the day, and explains why your skipper talks about waiting, queues and the sea.
The visit
From your boat into the grotto
-
At Marina Grande
Board your boat
The private boat starts and ends at Marina Grande.
-
West along the coast
Reach the cave mouth
The entrance is partly under the sea.4
-
Outside the entrance
Wait your turn
Only small boats can enter.2
-
The transfer
Into a rowing boat
You lie down as it passes the low, narrow entrance.1
-
Inside
The blue light
Sunlight through the opening, reflected off the sandy floor.5
-
Afterward
Back on your boat
On to the caves, the Faraglioni and a swim.
How you actually get inside
Access is only possible with small boats.2 The entrance is so low and narrow that you go in lying down inside a rowing boat as it slips through the gap.1 The boatman times the moment with the swell, and then, suddenly, you are floating in the dark with the water lit from below.
On the private boat we book, the Blue Grotto stop is listed as a visit of 1 hour, optional and with an extra fee. Expect that time to include waiting outside the entrance for your turn, which on a busy day can be the longest part of the stop.
The private listing does not include the grotto ticket, which you pay on the spot. Check the current amount before you go, and keep some money ready. If you would rather not wait, the stop is optional on our boat: you can skip it and spend the time swimming at Marina Piccola or exploring the white caves instead.
What decides your visit
The Blue Grotto at a glance
| Factor | What the sources say | What it means for you |
|---|---|---|
| Tides and weather | Visits depend on both | Keep a spare day |
| The boat | Small boats only | You change boats at the mouth |
| The entrance | Very low and narrow | You go in lying down |
| Hours | 9:00 am to 5:00 pm | Plan within that window |
| Ticket | Paid on the spot | Bring money for everyone |
From Italia.it's Grotta Azzurra and La Fontelina pages; the ticket line is from the private listing's exclusions.213
Three boats to the grotto
Private or shared, all to the same mouth
This page
Short and cheap
Full dayDecision helper
Should the grotto be on your plan?
Weigh the wait against the rest of your day
Go if the sea allows
The color inside comes from sunlight through the opening.5
Skip it on a private boat
Every stop on the private listing is optional.
Ask the skipper first
Entry means lying down in a rowing boat.1
Plan another day
Visits depend on the tides and the weather.2
Visit the Casa Rossa
It shows 4 Roman statues found in the grotto.7
It is possible to enter the Grotta Azzurra only by lying down inside a rowing boat as it enters the hollow because the point of access is very low and narrow.
Why the Blue Grotto closes, and what happens then
Whether you can visit depends on the tides and the weather.2 With the entrance partly under the sea, the rowing boats can only pass when the water allows, and when it does not, the cave closes.4 No boat operator controls this, and no listing can promise an entry.
The private listing plans for it. If the Blue Grotto is closed because of high tide, the boat goes on to other sights instead. On a coast with caves and sea stacks all around the island, the day still has plenty to show you, from the Grotta Bianca to the Faraglioni.9
If the grotto is the main reason for your trip, build in flexibility. Book early in your stay, so you have a second chance if the sea is rough. Use the free cancellation window, up to 24 hours ahead on the private boat, to move the day when the forecast looks poor. And keep your expectations open: the island's other caves are worth the trip on their own.
Map
Around Capri, and across the gulf
The island's boat stops from Marina Grande, then the towns on the mainland where the other boats start.
1Marina Grande2Blue Grotto3Punta Carena4Marina Piccola5Faraglioni6Arco Naturale7Grotta Bianca
8Naples9Sorrento10Punta Campanella11Capri12Positano13Praiano14Amalfi
- 1Marina Grande
The harbor where the booked private tour starts and ends; a cable car climbs from the port to the Piazzetta.10
In Google Maps ↗ - 2Blue Grotto
Its entrance is partly under the sea, and you go in lying down in a rowing boat.41
In Google Maps ↗ - 3Punta Carena
The lighthouse on the island's southwest tip, a stop on many of the listings.
In Google Maps ↗ - 4Marina Piccola
A rocky beach on a turquoise sea below the Gardens of Augustus.11
In Google Maps ↗ - 5Faraglioni
Stella, the Faraglione di Mezzo with its arch, and the Faraglione di Fuori.12
In Google Maps ↗ - 6Arco Naturale
A photo stop on the booked listing, seen from the water.
In Google Maps ↗ - 7Grotta Bianca
One of the pale sea caves on the east side, a stop on the booked listing.
In Google Maps ↗ - 8Naples
The Gulf of Naples runs for over 200 kilometres from Monte di Procida to Punta Campanella.13
In Google Maps ↗ - 9Sorrento
A lift runs from the Villa Comunale down to Marina Piccola and the port.14
In Google Maps ↗ - 10Punta Campanella
The headland pointing straight at Capri, with a protected marine area.15
In Google Maps ↗ - 11Capri
An island with caves and sea stacks all round its coast.9
In Google Maps ↗ - 12Positano
The western end of the Amalfi Coast.16
In Google Maps ↗ - 13Praiano
Between Positano and Amalfi, with Capri in view on clear days.1718
In Google Maps ↗ - 14Amalfi
A Maritime Republic from the 9th to the 11th century.19
In Google Maps ↗
Checklist
For your Blue Grotto stop
01
Bring
- Money for the ticket, paid on the spot
- A hat for the wait outside
- A phone in a dry pocket for the light inside
02
Plan
- Visits between 9:00 am and 5:00 pm3
- A spare day in case of high sea
- Agree with the skipper whether to wait
Video
CAPRI, ITALY BOAT TOUR-Featuring The Blue Grotto!
The video loads only when you tap play.
Is the Blue Grotto in Capri worth it?
Is the Blue Grotto in Capri worth it? For many who get in, yes: the light inside is hard to forget, and the moment of passing through the low entrance is part of the memory. Italia.it describes its deep blue as a truly stunning shade.20 The question is less the grotto itself than what you give up to see it.
On a busy summer day the cost is time. You wait outside the entrance with other boats until your turn for a rowing boat. On a 3-hour private tour, that wait comes out of your swimming and exploring time. Some travelers happily skip it; others would never forgive themselves for missing it.
Our view: if you have never seen it and the sea allows, go. If you have seen it before, or the queue looks long, use the time for the rest of the coast. A private boat makes this an easy decision on the day, because every stop on its list is optional and the skipper can tell you how the queue looks before you commit.
The Blue Grotto boat tour price, in plain terms
The Blue Grotto boat tour price has two parts. The first is the boat that brings you to the cave: a short shared island tour with a stop at the grotto starts from $29 for 1.5 hours, and the private boat we book starts from $461 for 3 hours. The second part is the grotto itself, paid on the spot.
The shared listing with the grotto stop is rated 4.10 from 2,478 reviews and names skip-the-ticket-line access. Even so, it cannot skip the sea: the visit still depends on the tides and the weather.2 Read what any listing means by skip-the-line before you count on it.
The private listing does not say whether its from-price covers the whole boat or each guest, so set your group size on the booking page and read the total. Then add the grotto ticket for everyone who goes in. That total, divided among your party, is the honest number to compare with a shared trip.
When to visit the Blue Grotto
Italia.it lists the hours as 9:00 am to 5:00 pm, Sunday to Saturday.3 Within those hours, the sea decides. A calm, settled day gives you the best chance, and the color inside changes with the time of day and the weather, so a bright morning and a bright afternoon can look quite different.5
On the private boat we book, you agree the order of the stops with the skipper. Some skippers head to the grotto first and save the swims for later; others wait until the queue at the entrance looks short. Ask on the day, and let the person who reads the sea every morning advise you.
Whatever the month, plan around the weather: visits depend on the tides and the weather.2 If you visit in spring or autumn, keep a spare day in your plans and check the sea the evening before. Our guide to the best time for a boat tour goes through the months in more detail, with the climate for each one.
Getting there by boat, and the other ways
Boats reach the grotto from Marina Grande, the island's harbor, where the private boat we book starts and ends. The route runs west along the north coast to the cave mouth. Some boats from Sorrento include the grotto on their way round the island as an optional stop.
The grotto can also be reached by road from Anacapri, down to the water where the rowing boats wait. Whichever way you arrive, the same rules apply: small rowing boats only, and only when the tide and the weather allow.2
If the grotto is closed on your day, enjoy the island's other caves. The coast has caves and sea stacks all around, the Grotta Bianca and the Grotta Verde among the ones named on the listings, and many are seen right from your own boat.9 Some of the best moments of a day on the water come at the caves you had never heard of.
Your own boat
The caves and the stacks, just for you.
Pick a date, set your group size and cancel at no cost up to 24 hours ahead.
You ask,we answer.
Can the boat go inside the Blue Grotto?
No, only rowing boats can. You go in lying down inside a rowing boat, as the entrance is very low and narrow.1
Why was the Blue Grotto closed?
The tide or the weather. Visits depend on the tides and the weather, and access is only by small boats.2
Is the grotto ticket included?
Not on the private boat we book. Its listing excludes the Blue Grotto entry ticket, which is paid on the spot.
What are the opening hours?
9:00 am to 5:00 pm. Italia.it lists the hours as Sunday to Saturday, 9:00 am to 5:00 pm.3
What if it closes on my tour day?
The boat visits other sights. The private listing says that if the grotto is closed because of high tide, the tour goes on to other attractions.
Why is the water so blue?
Sunlight through the opening. Sunlight enters through the opening and reflects off the sandy floor.5
Can I skip the grotto on a private boat?
Yes, it is optional. Every stop on the private listing, the grotto included, is marked optional.
Sources
Sources and evidence
- 1Italia.it (ENIT, Ministry of Tourism)La Fontelina↩
- 2Italia.it (ENIT, Ministry of Tourism)Grotta Azzurra, Anacapri↩
- 3Italia.it (ENIT, Ministry of Tourism)Grotta Azzurra, Anacapri↩
- 4Italia.it (ENIT, Ministry of Tourism)Grotta Azzurra, Anacapri↩
- 5Italia.it (ENIT, Ministry of Tourism)Grotta Azzurra, Anacapri↩
- 6Italia.it (ENIT, Ministry of Tourism)Grotta Azzurra, Anacapri↩
- 7Italia.it (ENIT, Ministry of Tourism)Capri, island of dreams↩
- 8Italia.it (ENIT, Ministry of Tourism)Grotta Azzurra, Anacapri↩
- 9Italia.it (ENIT, Ministry of Tourism)Capri, island of dreams↩
- 10Italia.it (ENIT, Ministry of Tourism)Capri, island of dreams↩
- 11Italia.it (ENIT, Ministry of Tourism)Capri, island of dreams↩
- 12Italia.it (ENIT, Ministry of Tourism)La Fontelina↩
- 13Italia.it (ENIT, Ministry of Tourism)Golfo di Napoli↩
- 14Italia.it (ENIT, Ministry of Tourism)Sorrento↩
- 15Italia.it (ENIT, Ministry of Tourism)Punta Campanella bewitched by the sirens of Ulysses↩
- 16Italia.it (ENIT, Ministry of Tourism)Positano↩
- 17Italia.it (ENIT, Ministry of Tourism)Praiano↩
- 18Italia.it (ENIT, Ministry of Tourism)Praiano↩
- 19Italia.it (ENIT, Ministry of Tourism)Amalfi↩
- 20Italia.it (ENIT, Ministry of Tourism)Capri, island of dreams↩
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