The short answer is yes
Yes, in normal circumstances, tap water in Dubrovnik is safe to drink. The city’s public water utility describes Dubrovnik’s drinking water as high quality and says it is monitored throughout the supply process.
Dubrovnik’s water is part of a regulated public system
Dubrovnik’s tap water comes through the city’s public water supply system, which is professionally maintained and monitored. The local utility notes that the city’s supply is based on long-established water sources, with the Ombla spring playing a central role in Dubrovnik’s network.
For most visitors, this simply means that drinking water from the tap in a hotel, apartment or restaurant is entirely normal.
It is what locals drink every day
For people living in Dubrovnik, tap water is just part of everyday life. It is what most locals drink at home, use every day and think very little about. That everyday normality is often the most reassuring detail for visitors.
You can also drink from the Onofrio fountains
One of the nicest details in Dubrovnik is that drinking water is also part of the city’s historic landscape. The Great Onofrio Fountain and the Small Onofrio Fountain, at opposite ends of Stradun, were built as part of Dubrovnik’s waterworks system for public use. Dubrovnik Tourist Board materials also note that cool water from the Dubrovnik fountains still refreshes people today, which is why many visitors stop there to fill a bottle or take a drink while walking through the Old Town.
A practical choice, especially in warmer months
Choosing tap water in Dubrovnik is not only simple, but also practical. In spring and especially in summer, carrying a reusable bottle often makes far more sense than constantly buying bottled water while walking through the Old Town, along the City Walls or around the rest of the city. It is easier, lighter and simply more convenient during long days out.
When it makes sense to check local notices
As with any city, the sensible thing is simply to pay attention if there is ever an official notice about temporary works or changes in the water system. But in normal day-to-day conditions, visitors do not need to treat Dubrovnik as a place where drinking tap water is a concern.
What this means for visitors
In practical terms, Dubrovnik is a destination where you can comfortably drink water from the tap, brush your teeth with it and refill your bottle before heading out for the day.
That may sound like a small detail, but it makes visiting the city easier, especially when you are spending long hours outdoors and want one less thing to think about.
A small extra tip
If you are staying in private accommodation and want to be especially careful, you can always ask your host whether there are any plumbing issues specific to the building. But that is more a question of the property itself than Dubrovnik’s water supply.
As a general rule, visitors can feel comfortable using tap water in Dubrovnik.