Read Ezekiel 27:25 Using Other Translations
The ships of Tarshish did sing of thee in thy market: and thou wast replenished, and made very glorious in the midst of the seas.
The ships of Tarshish traveled for you with your merchandise. So you were filled and heavily laden in the heart of the seas.
The ships of Tarshish were your ocean caravans. Your island warehouse was filled to the brim!