| SUBMARINES | Vessels which can operate completely under the sea (10) |
| STONED | Completely under the influence (6) |
| MAINCHANCE | Machine can operate given the best opportunity (4,6) |
| ATLANTICOCEAN | The Blue Riband was the prize held by the vessel which had completed the fastest crossing of this bo |
| SWAMP | Bathed on the deep end and put completely under water (5) |
| SUB | Short for vessel that can operate under water (3) |
| SLOOPS | Vessels which, coming up, may be waiting for the wind (6) |
| OCEANLINERS | Vessels which operate world cruises... (5, 6) |
| IMMERSE | Cause a person to be completely under water (7) |
| HOLYWEEK | Lead-up to Easter sounds completely under-strength (4,4) |
| HOLY | In legend, the vessel which Jesus used at the Last Supper (4,5) |
| GRAIL | In legend, the vessel which Jesus used at the Last Supper (4,5) |
| ATALOSS | Uncertain how incompetent companies can operate (2,1,4) |
| FUNCTION | Can operate in a social gathering (8) |
| ITINERATE | I can operate without leads and go from place to place (9) |
| AMERICANO | Coffee steamer I can operate from within |
| WEATHERSHIPS | Ocean-going vessels which took meteorological observations from the 1930s until 2010 (7,5) |
| VEINS | Blood vessels which may become varicose |
| ETNAS | Prepayment lifted on small vessels which are lit up |
| FLAGSHIPS | Grow weary demonstrating large vessels which are their most important products |
