The Devil's Mouth

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2:16

The Devil's Mouth

PG-13

2026

1h 45m

Horror

Mystery & Thriller

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Tomatometer

Popcornmeter

33%

Tomatometer

36 Reviews

17%

Popcornmeter

100+ Ratings

Five friends set out on one last adventure along Thailand's stunning coast, eager for a final thrill before life in the real world begins. They sign up for a guided swim through a remote cave system known as The Devil's Mouth, a natural wonder that's as breathtaking as it is unforgiving. Deep inside the labyrinth of narrow waterways, their journey takes a terrifying turn when they discover that a freak storm the week before flooded the caves with sea life. The creatures died in the fresh water, but something survived... and it's hunting them now--fast, silent, and deadly. Every corridor they round is overflowing with anxiety, and every wrong turn becomes a deadly encounter. As panic spreads and their sense of direction slips away, the group begins to fracture. Trust erodes, fear takes over, and survival becomes a savage game. In the suffocating darkness, every choice could be their last as they learn that to make it out alive, sacrifices must be made.

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Peter Travers

The Travers Take

2d

1.5/4

It’s been hyped as the first fresh-water shark movie. Sad to say, that’s the only thing fresh about it.

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Brian Tallerico

RogerEbert.com

3d

1.5/4

It’s just aggressively forgettable instead of memorably awful, which is almost worse.

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Guy Lodge

Variety

4d

It’s the shark’s appearances, surprisingly, that lack bite. Denied a point of view or much in the way of a closeup, the CG killer never feels a particularly distinctive or palpable presence, while its lunges take on a fairly predictable pattern.

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Dustin Rowles

Pajiba

1h

I like a good, fun, stupid shark movie. Unfortunately, Prime Video’s The Devil’s Mouth is neither good, nor fun, nor even stupid enough to warrant the click. Some movies are fun-bad. This one is exhausting-bad.

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Keith Garlington

Keith & the Movies

5h

2.5/5

The shark is mean, dangerous, and it eats people. So in that respect, genre fans can expect to get exactly what they’re looking for.

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Jake Tropila

In Review Online

5h

As far as streaming service horror goes, this is the platonic ideal of what the medium has to offer.

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Ae C

@RT41496092 6h

Just awful all the way around, poor acting, plot, CG.

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Jessie S

@Lakelife0431 12h

the facct deep water was rated higher than this is truly disturbing. althought very unrealistic. the acting isnt terrible, and the grapahics are soo much better than anything recently

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LAA A

@LAA84 14h

The Devil’s Mouth, a shark‑attack thriller set in a cave in Thailand. The idea could’ve been exciting, but honestly, the film feels like a recycled concept with no real effort to make it believable. The biggest hole? They never explain how a shark even gets inside a cave. That alone sinks the story. Story: 0.5 / 2 – Weak, repetitive, and missing logic. Plot: 0.5 / 2 – No tension, no proper buildup. Acting: 0.5 / 2 – Performances felt fake, even fear wasn’t convincing. Effects: 0.5 / 2 – The shark looked bad, and the cave atmosphere was unrealistic. Entertainment: 1 / 2 – With poor acting, weak effects, and a hollow story, it’s hard to enjoy. 📊 Final Score: 3 / 10 Overall, The Devil’s Mouth is a forgettable entry in the shark‑attack genre. It’s missing suspense, logic, and polish—making it more frustrating than fun to watch.

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Chris B

@Palmarlizard 15h

Beyond terrible. Wat deserved much better in this movie as he was the only one with intelligence. The cgi in this movie is the worst thing I’ve ever seen. Max deserved to be the first one dead she is the worst character by far. James deserves better. Greg (jeremaiah) should’ve stayed alive longer, he’s so handsome.

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Tony B

@RT38868444 15h

I hope whoever made this tries to flip his pillow at night only for it to be warmer .It’s one of the worst movies I’ve ever seen . Everything was so predictable and that’s bad because none of it was realistic at all which I get it’s supposed to just be scary but they could’ve tried harder and at least looked into what the hell a shark even is or does . So many flaws . Just glad I wasn’t banking on this being a genuinely good movie cause I would have been really disappointed.

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Gabby M

@RT89117251 18h

Absolutely terrible. I would give it zero stars if I could. Every aspect of the movie was completely predictable, yet somehow still wildly implausible and unrealistic. I genuinely don’t understand the point of this film. On top of that, it was disgusting. Do yourself a favour and don’t waste your time—DO NOT WATCH THIS MOVIE.

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Jeff Wadlow

Director

Kathryn Newton

Sara

Lana Condor

Max

Nico Hiraga

James

Gavin Casalegno

Greg

Tommi Rose

Adrienne

The Devil's Mouth: Exclusive Sneak Peek - Shark Attack

1:24

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The Devil's Mouth: Trailer 1

2:16

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Synopsis

Five friends set out on one last adventure along Thailand's stunning coast, eager for a final thrill before life in the real world begins. They sign up for a guided swim through a remote cave system known as The Devil's Mouth, a natural wonder that's as breathtaking as it is unforgiving. Deep inside the labyrinth of narrow waterways, their journey takes a terrifying turn when they discover that a freak storm the week before flooded the caves with sea life. The creatures died in the fresh water, but something survived... and it's hunting them now--fast, silent, and deadly. Every corridor they round is overflowing with anxiety, and every wrong turn becomes a deadly encounter. As panic spreads and their sense of direction slips away, the group begins to fracture. Trust erodes, fear takes over, and survival becomes a savage game. In the suffocating darkness, every choice could be their last as they learn that to make it out alive, sacrifices must be made.

Director: Jeff Wadlow
Producer: Basil Iwanyk, Erica Lee, Jeff Wadlow
Screenwriter: Aja Gabel, MJ Wesner, MJ Wesner
Distributor: Prime Video
Production Co: Amazon MGM Studios
Rating: PG-13 (Suggestive Material|Some Language|Bloody Images|Violent Content)
Genre: Horror, Mystery & Thriller
Original Language: English
Release Date (Streaming): Jul 29, 2026
Runtime: 1h 45m
Sound Mix: Dolby Digital
Aspect Ratio: Digital 2.39:1