The ancient goddess who protects sailors in Ancient Greece is Amphitrite, associated with the sea and marine life. As a consort of Poseidon, the god of the sea, she symbolizes the benevolence and dangers of ocean navigation. Sailors prayed to her for safe journeys and protection from storms, reflecting humanity's dependence on the seas for trade and survival. Her divine attributes reinforce the cultural significance of the sea in Greek society, highlighting both its beauty and peril.