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Island in Ionian Islands, Greece

Can you drink tap water in Kefalonia?

Updated October 2026Sources
Boil itFilter or boil

Can you drink the tap water in Kefalonia?

Tap water is treated, but filter or boil it. Tap water varies by village; many residents drink bottled. Check with your host before drinking.

Key facts

Tap water across Greece

PlaceTap water
AthensYes, drinkable
SantoriniNo, drink bottled
MykonosNo, drink bottled
CreteFilter or boil
RhodesFilter or boil
CorfuFilter or boil
ThessalonikiYes, drinkable
NaxosFilter or boil
ParosFilter or boil
ZakynthosFilter or boil
ChaniaFilter or boil
MilosNo, drink bottled
KosNo, drink bottled
KefaloniaFilter or boil
MeteoraYes, drinkable
HalkidikiFilter or boil
IosNo, drink bottled
LefkadaFilter or boil
NafplioYes, drinkable
SkiathosNo, drink bottled
HydraNo, drink bottled
PeloponneseYes, drinkable
ThassosFilter or boil

Quick answers

Is tap water safe to drink in Kefalonia?

Tap water is treated, but filter or boil it. Tap water varies by village; many residents drink bottled. Check with your host before drinking.

Can you drink tap water in Greece?

Safe in Athens, Thessaloniki and most mainland towns. On many islands water is desalinated or trucked in; locals drink bottled.

More about Kefalonia

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Sources

Verdicts reflect official utility statements and what locals actually do. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.