What's keeping the crafty types afloat off Australia and around New Zealand?

I believe the answer is:

pacific ocean

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'zealand?' is the definition.
Although both the answer and definition are singular nouns, I cannot see how they can define each other.

I can't explain the remainder of the clue.

Can you help me to learn more?

(Other definitions for pacific ocean that I've seen before include "Sea of Tranquillity?" , "Largest sea on Earth" , "Main discovery made by European" , "World''s largest, deepest sea" .)

I've seen this clue in the Irish Times.

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