Across
- 2. Dock for small boats.
- 4. Slender, snake-like fish.
- 6. Sea nymph in Greek mythology.
- 8. A series of boat races.
- 11. Floating marker for navigation.
- 12. Fabric used to catch the wind on a boat.
- 15. Hard, protective outer case of a mollusk.
- 16. A Mediterranean sailing ship with a lateen rig.
- 20. Beneath the surface of the water.
- 22. Tower with a light to guide ships.
- 24. Structure extending into the water to protect a harbor.
- 25. Marine invertebrate forming reefs.
- 26. Device used to moor a boat.
- 30. Large sailing ship from the 16th century.
Down
- 1. Legendary sea monster.
- 3. Land surrounded by water.
- 5. Thief on the high seas.
- 7. Person who navigates or operates a ship.
- 9. A long journey by sea.
- 10. Structure on the shore for loading and unloading ships.
- 13. Flatfish that lies on the seabed.
- 14. Common coastal bird known for its call.
- 17. A recreational boat or ship.
- 18. A gentle breeze, often from the sea.
- 19. Cephalopod with eight arms.
- 21. Safe place for ships to dock.
- 23. The rise and fall of sea levels.
- 27. Related to navigation or ships.
- 28. Large marine mammal known for its size.
- 29. Intelligent marine mammal known for jumping.