| A | B |
| afloat | able to stay up in the water; not sinking |
| breakwater | a wall or barrier that breaks the force of waves to protect a harbor or beach |
| coastline | the outline of the land where it meets the sea |
| frigate | a fast naval vessel |
| gulf | a portioin of the sea partly surrounded by land |
| heron | a long-legged water bird |
| herring | a saltwater fish used for food |
| hoist | to raise or lift |
| keel | a piece running lengthwise under the center of a boat to keep it from blowing sideways |
| lofty | very high |
| mariner | a sailor, especially one who helps navigate the ship |
| mutinous | rebelling against the captain of a ship |
| oceanographer | a scientist who studies the physical characteristics of the ocean |
| offshore | away from the shore in a body of water |
| relentless | harsh or severe without relief |
| seafaring | traveling or doing business by sea |
| submarine | a boat sepciall constructed to travel underwater |
| tidal | relating to the rhythmic rise and fall of the waters of the ocean |
| vast | of very great size or area |
| yacht | a ship used for pleasure rather than business |