Lagonisi is located approximately 30 km southeast of Athens and 35 km northwest of Cape Sounio . Lagonisi is located about 30 km southeast of Athens and 35 km northwest of Cape Sounio .
Lagonisi terletak kira-kira 30 km tenggara Athens dan 35 km barat laut Cape Sounio. Lagonisi terletak kira-kira 30 km tenggara Athens dan 35 km barat laut Cape Sounio.