| A | B |
| afloat | able to stay up in the water |
| breakwater | a wall or barrier that extends into the water |
| coastline | the outline of the land where it meets the sea |
| frigate | a fast naval vessel |
| gulf | a portion of the sea partially surround by water |
| 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 |
| mutinous | rebelling against the captain of a ship |
| oceanographer | a scientist who studies the ocean |
| relentless | harsh or severe |
| seafaring | traveling by sea |
| submarine | a boat designed to travel underwater |
| tidal | relating to the rise and fall of the waters of the ocean |
| vast | of very great size or area |
| yacht | any ship used for pleasure |