Triangle (2009) is a Horror film that follows when Jess sets sail on a yacht with a group of friends, she cannot shake the feeling that there is something wrong. Currently, you can watch Triangle on Amazon Prime Video, fuboTV, Peacock Premium, Philo. Streaming availability may vary by country and platform over time. It has a user rating of 6.9 out of 10 from 2,944 votes. Fans of horror movies may also want to explore similar titles below.