Brijuni Islands Glass-Bottom Boat Tour: Adriatic Seabed Views

Glass-bottom views of the Adriatic seabed, four islands, and seabird colonies in a morning cruise

A glass-bottom boat tour of Brijuni National Park in Istria combines a relaxing cruise through protected waters with views of the seabed, Veliki Brijun, Mali Brijun, Kozada Island, and Jerolim Island. The 90-minute tour departs Fažana Harbor, passes historic coastal villas and reef formations, and includes one drink. Calm morning conditions and smaller crowds make it suitable for families and photographers. A live guide speaks English or Italian.

Step-by-step itinerary

Glass-bottom boat cruise and sightseeing

• Board glass-bottom boat at Fažana Harbor
• Cruise around Brijuni National Park
• View Adriatic seabed through glass bottom
• See Veliki Brijun, Mali Brijun, Verige Bay
• Observe historic coastal villas and beaches
• Enjoy reef sightseeing near Kozada and Jerolim Islands
• Feed seagulls from the boat
• Return along Brijuni coastline and Fažana channel
• Disembark at Fažana Harbor

The experience

What makes this tour different is the glass-bottom viewing area built into the boat, letting you watch the Adriatic seabed and marine life pass underneath while you stay dry and comfortable on deck. The route circles through the national park's protected waters, passing close to the four main islands and their surrounding reefs. You'll see coastal villas from the water, the Safari Park grounds on Veliki Brijun, and the rocky formations that shape the archipelago. The boat moves at a pace that lets you take photos and simply sit with the view.

The tour includes traditional seagull feeding from the boat (a moment that works well for all ages), and time to observe seabirds in their natural setting. One drink (water, mineral water, Pašareta, or beer) is included. The return follows the Brijuni coastline and the Fažana channel, offering panoramic views of the Adriatic and the surrounding islands before you arrive back at the harbor by 11:00. Calm morning sea conditions keep the experience peaceful and steady.

What’s included

• The 90-minute cruise includes access to the glass-bottom viewing area.
• one drink (water, mineral water, Pašareta, or beer).
• a live guide in English or Italian.
• and seagull feeding from the boat.

Before you book

Days and timesNext departure: 22 May 2027

AgesAdult (12 and older) · Child (3 to 11 years) · Infant (under 3)

GroupUp to 35

Live guideEnglish and Italian

Meeting point and pickupNo hotel pickup: you go to the meeting point. Ends back at the starting point.

Cancellation and refundsFree cancellation up to 24 h before the start. After that, no refund.It may be canceled due to bad weather or if the minimum number of travelers isn't reached. If that happens, you're offered another date or a refund.

Prices and times updated 7 days ago

Good to know

Low physical effortStroller-friendlyPublic transport nearbyNot recommended with heart problemsInfants must sit on laps

Operated by RIO BOAT FAŽANA

Is this one for you?The tour is entirely on the water with no walking or swimming required, so it suits anyone who wants to see the islands and seabed without leaving the boat. The 90-minute duration and early return time fit easily into a morning before other plans.

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Top questions

What languages is the tour guided in?

Live guide in English and Italian.

Can children come?

Yes. Ticket types: Child (3 to 11 years); Infant (under 3).

What happens if it rains?

It may be canceled due to bad weather. If that happens, you're offered another date or a refund. Free cancellation up to 24 h before the start.

What can I actually see through the glass-bottom viewing area?

The glass-bottom section lets you watch the Adriatic seabed, underwater rock formations, and marine life as the boat cruises through the national park's protected waters. The clarity depends on light and water conditions, which are typically best in the calm morning hours when this tour runs.

How long does the tour take and when does it end?

The tour lasts 90 minutes total and returns to Fažana Harbor by 11:00, so you're back early enough to spend the rest of your day exploring Istria or the islands themselves.

Which islands do we pass on this tour?

The boat circles Veliki Brijun, Mali Brijun, Kozada Island, and Jerolim Island, passing close enough to see their coastlines, reefs, and the Safari Park grounds on Veliki Brijun from the water.

What's included in the tour price?

The tour includes the boat cruise, glass-bottom viewing, and one drink (water, mineral water, Pašareta, or beer). Transportation to Fažana Harbor and parking are not included.