Killer Mermaid (2014) is a Horror, Fantasy film that follows two young American women go on a Mediterranean vacation and uncover the watery lair of a killer mermaid hidden beneath an abandoned military fortress. Currently, you can watch Killer Mermaid on Amazon Prime Video, Amazon Prime Video with Ads, Amazon Video, Fandango At Home. Streaming availability may vary by country and platform over time. It has a user rating of 4.3 out of 10 from 87 votes. Fans of horror movies may also want to explore similar titles below.