| MANATEE | Half of mast eaten out by marine creature (7) |
| MIZMAZE | Perplexity as top half of mast cuts aftmost one, nearly |
| MAGGOT | Magnum got its heart eaten out by a fly youngster (6) |
| CAVIARE | It's eaten out of avarice (7) |
| FLOTSAM | Floating wreckage of mast, perhaps, including top of light (7) |
| DIVINED | Guessed to have eaten out around four or six (7) |
| MISCAST | Is head of crew, involved in construction of mast, given the wrong job? (7) |
| CATBOAT | Sailing vessel attaching pet snake to bottom of mast (7) |
| TOPSAIL | This is fixed to second section of mast on square-rigged ship (7) |
| YARDARM | Cracked beam twisting round back of another part of mast |
| VARMINT | 5 isn't interrupted by marine pest (7) |
| SPEARED | Quietly covered up by marine, wine is spiked (7) |
| SEASALT | Main extract as eaten by marine mammal at Tynemouth (3,4) |
| SEAWALL | Mole was nearly left to be eaten by marine mammal (3,4) |
| SEVERAL | Some very nearly trapped by marine mammal (7) |
| MERMAID | Myrrh made known by marine temptress (7) |
| OAKTREE | Supplier of mast - more than one sort perhaps (3,4) |
| RIGGING | Arrangement of masts, spars, sails, etc. (7) |
| FRIGATE | Formation of masts, sails, etc, in large European ship (7) |
| SEAFIRE | Bioluminescence produced by marine microorganisms |
