Beachside shelter (3)

I think it could be either:

Which length description are you looking for?:

hut

(Other definitions for hut that I've seen before include "Shanty" , "Peter Nissen's ubiquitous structure" , "Small house, shed" , "Small crudely-built shelter" , "Small structure as for watchman" .)

I've seen this clue in The Washington Post.

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