Charles Ellicott Commentary Psalms 97:1

"Jehovah reigneth; let the earth rejoice; Let the multitude of isles be glad." — Psalms 97:1 (ASV)

The Lord reigneth. — For the thought and imagery, compare to Psalms 96:10-11.

Multitude of the isles — Literally, isles many. This wide glance to the westward, embracing the isles and coasts of the Mediterranean (Psalms 72:10), possibly even more distant ones still, is characteristic of the literature of post-exile times. (Isaiah 51:15.)