This is the day trip that defines summer in Split: an eleven-hour speedboat run from the harbour to the islands of the central Adriatic, built around the Blue Cave on Biševo, where sunlight entering through an underwater opening turns the water a glowing silver-blue. The same route usually includes Hvar town, one of the most photographed harbours on the coast, with Venetian-era buildings and a fortress above, and several swim stops in coves around the Pakleni islands or nearby. The version linked here is a small-group tour with a maximum of twelve guests and a live guide in English and Croatian. It departs from Trumbićeva obala on the Split waterfront, with check-in about twenty minutes before the early-morning start. The Blue Cave entrance ticket is not included and is paid separately. Because speedboats are fast, the day covers a lot of ground, but it is also weather-dependent, and rough seas can cancel the cave or reshape the route.
Season matters above everything. These trips run in the warm months, roughly April to October, when seas are calmer and the cave is reliably open. The booking page for this tour shows availability resuming in April, and in early November it is unlikely to be running, so treat it as a plan for your next summer rather than a November activity. If you visit Split in winter, replace it with Krka, Trogir or Klis, all of which operate year-round.
When the season is on, the Blue Cave is best in the middle of the day, when the sun angle produces the strongest glow, and most tours time their arrival accordingly. Expect a queue of boats at the cave and a short visit in a small boat. Swimming inside the cave is limited, so bring your swimsuit for the stops elsewhere. The Blue Cave ticket is an extra cost, as are lunch and drinks, so budget for them. Bring sunscreen, a hat and a light jacket for the speed of the boat.
Choose your day carefully. Wind and swell change plans, and a good operator will tell you in advance if the cave is closed and what replaces it. Seasickness tablets are sensible if you are prone, as speedboats bounce. Small groups are more comfortable and flexible than large boats, and the early start gives you quieter harbours. This is a long, active day, best for travellers who want maximum islands for the time available.
What to expect
The experience
A small-group speedboat tour from the Split waterfront to the Blue Cave, Hvar and other islands, with swim stops and a live guide.
Best time
Roughly April to October, with the calmest seas and best cave light in the middle of summer days.
How long
About eleven hours, starting early in the morning.
Tips
Cave entrance is extra, bring sunscreen and a light jacket, and check weather for rough seas. Not a winter activity.
Quick picks
- Best for
- Summer visitors who want the most islands in a single day.
- Families
- Fine for confident swimmers and older children, but long, bouncy and early for little ones.
- Couples
- A memorable day, best in calm weather with a swim stop in a quiet cove.
- Pair with
- A relaxed evening on the Riva after the long day.
- Time needed
- A full day of about eleven hours.
Good questions
When do Blue Cave tours run?+
They are seasonal, roughly April to October, when seas are calmer. In early November they are unlikely to be operating, so check the operator before planning around one.
Is the Blue Cave ticket included?+
No. The cave entrance is paid separately on top of the tour price, as are food and drinks.
Where does the tour leave from?+
It meets at Trumbićeva obala 2 on the Split waterfront, with check-in about twenty minutes before departure.
What if the sea is rough?+
The cave can close in rough weather and the route may change. A good operator will tell you in advance and offer an alternative or refund.
What can I do in winter instead?+
Krka, Trogir, Klis and Salona all run year-round and give a full day out, and the palace and Marjan are good in any season.
