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Open Water

Open Water is a 2003 American independent survival horror film written, directed, and edited by Chris Kentis.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 27, 2026|2 min read| Fact-checked

Open Water is a 2003 American independent survival horror film written, directed, and edited by Chris Kentis. It stars Blanchard Ryan and Daniel Travis as a vacationing couple accidentally left behind during a scuba diving trip. The film is loosely based on the disappearance of Tom and Eileen Lonergan.

Premise

The film centers on a scuba-diving couple whose boat accidentally leaves them behind in the ocean. As they struggle to survive, the story emphasizes isolation, exhaustion, and fear in a hostile natural environment.

Production

Open Water was made as an independent film and is associated with a minimalist style. It was created by Chris Kentis, who served as writer, director, and editor.

Historical basis

The film is loosely based on the disappearance of Tom and Eileen Lonergan, who were left behind during a scuba diving outing near the Great Barrier Reef in 1998. Their bodies were never recovered.

Release and reception

Open Water was released in 2003 and became known as a tense survival thriller. It later received broader attention for its true-story inspiration and use of real shark footage.

Key facts

  • The film follows an American couple stranded at sea after their dive boat leaves without them.
  • It is a low-budget independent production.
  • The story is loosely based on the real-life disappearance of Tom and Eileen Lonergan.
  • The film was directed, written, and edited by Chris Kentis.
  • Its setting and premise focus on survival in shark-filled open water.

Frequently asked questions

Is Open Water based on a true story?
Yes. It is loosely based on the disappearance of Tom and Eileen Lonergan, who were left behind during a scuba diving trip.
Who directed Open Water?
Chris Kentis directed the film.
Who stars in Open Water?
Blanchard Ryan and Daniel Travis play the lead couple.
What genre is Open Water?
It is generally classified as a survival horror film.
What is the film about?
A scuba-diving couple is stranded in the ocean after their tour boat leaves without them.

References

  1. Wikipediahttps://en.wikipedia.org/wiki/Open_Water_(film)
    Supports: Basic film identification, premise, release year, and inspiration from the Lonergan disappearance
  2. IMDbhttps://www.imdb.com/title/tt0374102/
    Supports: Plot summary and true-story basis
  3. Apple TVhttps://tv.apple.com/us/movie/open-water/umc.cmc.4k6h8a69o6yhz3b93zc9ny360
    Supports: Cast, director, runtime, and plot summary
  4. Rotten Tomatoeshttps://www.rottentomatoes.com/m/open_water
    Supports: Release date and genre classification