The majority of underwater filming took place at The Underwater Studio in Basildon, Essex UK.

Mandy Moore and Claire Holt learned how to scuba dive for this movie. Neither actresses have scuba dived before.

The film was retitled to "In the Deep" in Spring 2016 and given a VOD/DVD release date of August 2nd through Anchor Bay Entertainment and the Weinstein Co. However, one week before the planned release, the film was bought by Byron Allen's Entertainment Studios, retitled back to "47 Meters Down" and given a wide-release theatrical plan for summer 2017 through Freestyle Releasing.

The shark cage and crane were built on a farm in Kent.

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