Väski is an island off the coast of Naantali, next to Kailo island which houses the theme park Muumimaailma in the Turku archipelago of southern Finland.
The island is a tourist spot and is organised as a location for adventure holidays.
The MTV3 mini film Aarresaaren sankarit was filmed there in 2003.
Coordinates: 60°29′10″N 21°58′43″E / 60.48611°N 21.97861°E