Mermaid vs The Devil's Mouth
Mermaid is the shorter watch at 19m compared with 1h 46m. Mermaid is the older of the two (2025 against 2026). Both are horror movies, so they suit a similar mood.
Mermaid
The Devil's Mouth| Mermaid | The Devil's Mouth | |
|---|---|---|
| Audience score | ★ 0.0/10 | ★ 10.0/10 |
| Year | 2025 | 2026 |
| Length | 19m | 1h 46m |
| Genres | Horror | Horror, Thriller |
| Country | US | – |
| Director | Ginger Gonzaga | Jeff Wadlow |
| Main cast | Aisling Bea, Annabella Didion, Ginger Gonzaga, Jason Ritter, Blake Lewis | Lana Condor, Kathryn Newton, Nico Hiraga, Gavin Casalegno, Tommi Rose |
Synopsis
Mermaid
Isla longs to compete on a reality show to meet an ideal prince. She goes to a demented plastic surgeon who promises to make Isla absolutely perfect for the show. But Isla is confronted with a potentially devastating choice.
The Devil's Mouth
Five college friends set off to explore the Devil's Mouth cave system in Thailand for one last adventure before life in the real world begins. But they soon discover that something is hunting them under the water… fast, silent, and deadly. In the suffocating darkness, trust erodes, panic spreads, and every wrong turn becomes a fight for survival.
Where to watch
Where to watch MermaidWhere to watch The Devil's Mouth
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