The Blue Grotto: how it really works

How you get in
The tour boat doesn’t enter. It stops outside the low entrance, and from there you transfer to a small rowing boat with a few other people. The boatman rows, pulls on a chain fixed to the rock, and at the narrowest point asks everyone to lie flat on the bottom – there’s no room to sit. Inside, you stay just a few minutes, turn around, and leave. If you expect a long visit, you’ll be disappointed; if you know it’s just minutes, you’ll savour them.
The extra charge no tour includes
This is where most misunderstandings happen, so let’s be clear: entry is paid separately on the spot and isn’t part of the tour price. When a listing says “stop at the Blue Grotto”, it means the boat will take you there and, if the grotto is open, you can disembark and pay for the rowing-boat passage. Only one full-day excursion can include it, and only if you select that option when booking. On another, the grotto is viewed only from the sea, with no entry – it’s stated in the listing and in the small-group review.
What the tour includes
- The boat ride to the grotto’s entrance
- Waiting at anchor with the other boats
- On a full-day tour, you choose whether to include entry when you book
What you’ll need to cover
- The entry ticket, paid on the rowing boats at the grotto
- The Capri landing tax, separate and often cash-only
- Any guarantee that the grotta will be open that day
When it’s closed
It shuts in choppy seas and at high tide, because once the water rises above a certain level, it floods the entrance and the rowing boat can’t get through. The call isn’t made the night before—it’s decided that morning, often only when the boats are already there. The practical upshot? No booking, no tour, can promise you’ll get inside. If the Blue Grotto is the only reason you’re taking to the water, factor this in: we explain what happens when the trip is cancelled in rough seas and Plan B.
The queues
In peak season, the wait at anchor can stretch to two hours, spent on board under the sun while the boat rocks with the waves. That’s why the short circuit from Pier 0 has the lowest rating of the six—4.1 out of 5 from 2,579 reviews—despite using the same kind of boat: the wait is part of the package. Bhagya, from Australia, still called her experience at the grotto ‘unbelievable’ after queuing.
Boats leave Pier 0 every thirty minutes from 9:30 to 14:00. The first two departures are a world apart from mid-morning ones: by mid-July, the waters outside the grotto transform completely between 9:30 and 11:00.
Which tours make it optional and which don’t
Full-day trips from Sorrento treat the Blue Grotto as one possible stop—about half an hour between approach and entry—skipped if the sea isn’t cooperating. The short circuits from the island put it at the heart of the itinerary, making them brilliant when it’s open and frustrating when it’s not. One of the small-group day trips skips it entirely. If you’re already on the island, compare alternatives in all tours side by side; if you’re still choosing, the verdict by traveller type is in which is the best tour. How much the supplement adds to the total is explained in how much a boat tour costs, and the other stops on the circuit are listed in what you’ll see from the sea.
Frequently asked questions
Is the Blue Grotto entrance included in the tour?
No. It’s always paid separately on the spot, when you board the rowing boats. Only a full-day tour can include it if you select the option when booking: details are in how much a boat tour costs.
How long is the wait to get in?
From just a few minutes in low season to around two hours at peak times. The 9:30 and 10:00 departures from Dock 0 have the shortest queues: see the best time to go.
What happens if the grotto is closed?
The island tour still goes ahead, and the boat passes by without stopping; you don’t pay for entry because you don’t buy it. Alternatives for that day are in rough seas and plan B options.
Can you swim inside the Blue Grotto?
No, you only enter on the small rowing boats and stay on board. The swimming stops on tours are elsewhere, like at Marina Piccola or the White Grotto: find them in what you’ll see from the sea.