1. Region of the Pacific Ocean

2. Vast body of saltwater

3. Atoll known for its lagoon

4. Island in Funafuti, Tuvalu

5. Capital of Tuvalu

6. Shallow body of water separated from a larger sea

7. Southernmost atoll in Tuvalu

8. Film directed by Henry Selick

9. Capital of Kiribati, another island nation

10. A group of land surrounded by water

11. The largest ocean on Earth

12. Smallest atoll in Tuvalu

13. Climate characteristic of Tuvalu

14. Ring-shaped coral island

15. Smallest atoll in Tokelau, a nearby territory

16. Aquatic creature

17. Spanish word for 'island'

18. Small island

19. Time zone of Tuvalu (abbreviation)

20. Former name of Tuvalu

21. Rise and fall of sea levels caused by the moon