sailing in the sea, at the sea or on the sea


New Member
Hi everybody,
Please tell me which of the following sentences are correct.
i. The man is sailing on the sea.
ii. The man is sailing in the sea.
iii. The man is sailing at the/ at sea.
And what is the difference?
  • sdgraham

    Senior Member
    USA English
    Why do you think "sea" is necessarily different from "ocean?":cool:

    WordReference Random House Learner's Dictionary of American English © 2015
    sea /si/n.
    1. the salt waters that cover the greater part of the earth's surface;
      ocean:[countable]the seven seas.[uncountable]