"Moe Fitch" is based on treasure hunter Mel Fisher, whose Key West maritime museum houses gold and silver artifacts from Spanish treasure ships.
Production was delayed when an infestation of deadly box jellyfish kept Matthew McConaughey and Kate Hudson out of the water.
The Precious Gem is a 135' Sovereign yacht built in New Zealand and designed by Jack Sarin. Its real name is the Kerri Lee. It charters for $70,000 per week, and can accommodate up to 12 guests.
Kevin Hart had never seen the word "facade" in print. He said the line, "Don't you think that this is a fakade?" three times before the director Andy Tennant corrected him. When asked what he thought he was saying, Kevin said he didn't know, but he knew he sold the line.
The scene where Tess slaps Finn after they walk out of the court house was filmed in front of the Vice-Chancellor's Building at the Queensland University of Technology, which is above the city's botanical gardens.