It's taut and suspenseful, and there's a jittery vibe to the whole thing.
The movie's saving grace is the visceral response that sharks produce, even more than four decades after Jaws first had audiences screaming.
While the plot is a bit shaky in parts, the overall effect of creating needed tension and some outright, out-of-your-seat jumps of fright is quite effective.
The screenplay by Johannes Roberts and Ernest Riera is a weirdly clunky work that never seems to know what it's doing.
It more or less gets the job done (especially if you're handing out bonus points for a title that traffics in the metric system).
This flick is a summer diversion, pure and simple, so don't expect a deep message. Except, that is, when you go on vacation next, leave your scuba diving equipment at home.
A formulaic but effective thriller about two sisters trapped beneath the waves in shark-infested waters.
47 Meters Down sinks rather than swims, even if there are a few buoyant moments along the way.
"47 Meters Down" - despite a clever final section - struggles to extract tension from clamor and agitation.