Across
- 3. Island sea region
- 5. Mexican peninsula
- 7. Estonia Latvia Lithuania region
- 12. Small Pacific island region
- 13. Spain and Portugal peninsula
- 14. Southern South America
- 15. Black-Caspian mountain region
- 17. World’s largest island
- 18. Southwest Pacific island group
Down
- 1. Southeast Asian peninsula
- 2. Large African island
- 4. Central Pacific island region
- 6. Southeast Asian landmass
- 8. Caribbean island chain
- 9. Indonesian island
- 10. Southeast Asian island
- 11. Tigris-Euphrates region
- 16. Belgium Netherlands Luxembourg region