Original: Some notable islands in Helsinki include Seurasaari , Lauttasaari and Korkeasaari which is also the country 's biggest zoo as well as the fortress island of Suomenlinna ( Sveaborg ) and the military island of Santahamina .
Simplified: Some famous islands include Seurasaari , Lauttasaari and Korkeasaari - which is also the country 's biggest zoo - as well as the fortress island of Suomenlinna ( Sveaborg ) .