Well, Romans being unaccustomed to and uncomfortable with naval warfare went as far as to invent and deploy corvus to make naval battles as landlike as possible, with typical land soldiers and all.

Athenian marines on the other hand were highly trained for combat at seas and specialized in boarding.

In Greece especially, preferences differed. Some states favored boarding, while others relied on speed and maneuverability of their ships to sink the enemy.

There's also a limit to what a missile can do. Ramming other ships is generally much more effective.

You might be interested in reading Ships and Seamanship in the Ancient World and other books by Lionel Casson.