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Currently you are able to watch "Killer Mermaid" streaming on Amazon Prime Video, Peacock or for free with ads on The Roku Channel, VUDU Free, Tubi TV, Freevee, Amazon Prime Video with Ads. It is also possible to rent "Killer Mermaid" on Amazon Video, Vudu, Spectrum On Demand online and to download it on Amazon Video, Vudu.
Two young American women go on a Mediterranean vacation and uncover the watery lair of a killer mermaid hidden beneath an abandoned military fortress.
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