By duping the Persians into splitting their forces so that a third of their navy was not present, and catching them badly dispersed in two narrow straits and engaging and overcoming them piecemeal.
First of all the Athenians did not win the battle of salamis, the Greeks did and they won because they had smaller and faster Greek ships
their large area of land
They had smaller boats and were eaiser to control.
Because Salamis was a sea battle, and the Greek side woulld be at a bit of a disadvantage without ships.
Control of the sea and blockade of the Persian sea resupply from Asia Minor.
It was a sea battle. The Greek fleet assembled at the island of Salamis in preparation to fighting the Persian fleet.
The Persians .
Salamis.
Salamis 480 BCE.
Battle of Salamis and later at the Battle of Plataea
Figure it out
Figure it out