Shes loved navigating to a marina (9)

I believe the answer is:

inamorata

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'shes loved navigating' is the definition.
I can't tell whether this defines the answer.

'to a marina' is the wordplay.
'to a marina' anagrams to 'INAMORATA'.
However, I am not clear how this is indicated.

Can you help me to learn more?

(Other definitions for inamorata that I've seen before include "Woman in love" , "Female lover" , "loved one" , "A woman loved" , "Beloved of one another" .)

I've seen this clue in The Daily Mail.

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