Greece39°06′N 24°06′ELagofytonisia AlonnisouMajor islands1PolemikaArea0.11 km²▲High point42 mIslets2Lachanou11 m · 0.04 km²Kasidis0.5 haFiguresComparative heightsSea level20 m40 m60 m42 mPolemika11 mLachanouHigh points by island, metres above sea level.Polemika: 42 mLachanou: 11 mTo the same scaleIslands by area0.0010.010.11Polemika: 0.11 km²PolemikaLachanou: 0.04 km²LachanouKasidis: 0.5 haKasidiskm², log scalePolemika0.11 km²Lachanou0.04 km²Kasidis0.5 haSourcesFactsGeometry, areas and high points: OpenStreetMap contributors (ODbL), Copernicus GLO-30, via Talus.Wikidata