| A | B |
| galley | kitchen |
| f'o'c'sle | area where the crew sleeps |
| bow | front of the boat |
| bowsprit | wooden pole that is attached to the bow of the boat and sticks out over the water |
| head | toilet |
| companionway | ladder to the upper deck |
| saloon | main living area for the crew |
| starboard | facing the bow of the boat, it is to the right |
| port | facing the bow of the boat, it is to the left |
| Anne Abrams | oceanographer in charge of the expedition |
| Sally Ruth Gordon | deaf researcher who reads lips |
| C.T. Granville | grandson of the captain |
| Clement Tyler Granville | the captain of the Mimi |
| Ramon Rojas | Marine biologist who just got his Ph. D. |
| Rachel Fairbanks | 15 year old research assistant who lied about how she got to the Mimi |
| Arthur Spencer | likes computers |