So roughly, this all adds up to a couple of weeks frolicking in the sunlight, followed by a huge stretch of time soaked to the bone being chased by imaginary sharks. At least, that’s how the cast make it sound as they describe the exteriors shot in the Dominican Republic, which make up the calmer, less harrowing parts of 47 Meters Down: Uncaged’s overall product.
Article source: https://www.cinemablend.com/news/2478186/the-47-meters-down-uncaged-cast-spent-a-ridiculous-amount-of-time-underwater-during-filming