Exodus 15:5 in the King James Version
The depths have covered them: they sank into the bottom as a stone.
Context
4 He has cast Pharaoh’s chariots and his army into the sea. His chosen captains are sunk in the Red Sea.
5 The deeps cover them. They went down into the depths like a stone.
6 Your right hand, LORD, is glorious in power. Your right hand, LORD, dashes the enemy in pieces.