I am a god— These words are an insolent boast of self-sufficiency; as if he had said, "I neither fear any prince, nor stand in need of any assistance; I am seated in a place of impregnable strength; the seas surround me; I am freed from the assaults of an enemy." See Isaiah 23:9 and Lowth.
Related Commentaries of Ezekiel 28:2
Ezekiel 28:2
2 Son of man, say unto the prince of Tyrus, Thus saith the Lord GOD; Because thine heart is lifted up, and thou hast said, I am a God, I sit in the seat of God, in the midsta of the seas; yet thou art a man, and not God, though thou set thine heart as the heart of God: