Psalm 107:23

They that go down to the sea in ships, that do business in great waters;

Cross-reference

Psalm 104:26 adds that ships and leviathan are part of God's creation, showing His works in the sea.

Isaiah 42:10 uses the same phrase 'ye that go down to the sea' to call them to sing God's praise.

Revelation 18:17 shows shipmasters and sailors lamenting Babylon's fall — a contrasting fate for those who go to sea.