- The Danza: Daniel in the first film is played by Daniel Kintner. Susan is also the real first name of Blanchard Ryan.
- Follow the Leader: Without this movie, other movies like Frozen (2010), The Canyon and 127 Hours probably wouldn't have been made. Adrift (2006) would definitely not have been made if not for Open Water.
- No Budget: Made for $500,000. It grossed $55 million worldwide.
Trivia / Open Water