By the Sea

Across

1. A large vessel for traveling on water (4)

2. Bubbles on the top of a breaking wave (4)

4. A heavy object used to hold a boat in place (6)

7. The seasoning naturally found in seawater (4)

8. A smooth gem sometimes formed inside an oyster (5)

10. A vessel used to travel on water (4)

11. A marine mammal with flippers (4)

Down

1. Land along the edge of the sea (5)

3. The tall pole supporting a boat's sail (4)

5. A moving swell on the surface of water (4)

6. A sea creature with claws (4)

8. A structure extending over the water from shore (4)

9. Fabric that catches wind to move a boat (4)