Related Clues:
- Are shortly in the fuel from the bottom of the sea
- If the ship is stuck there one might be able to get it free
- Not, by the sound of it, on the rocks
- By the sound of it, it's not Granny that has it on the rocks
- After a century, in a manner of speaking, it might make an island
- Not the sound of rock
- Might be free, but shipping on it is not free
- See, it's spoken for one sort of island
- What's in mine are shortly all that's in 13 across
- See how spoken this is underwater
- Shipwreck site, perhaps
- Ship's hazard
- Marine colony former
- Atoll's composition
- Underwater obstacle