Sanctum (2011)

Master diver Frank McGuire has explored the South Pacific's Esa-ala Caves for months. But when his exit is cut off in a flash flood, Frank's team—including 17-year-old son Josh and financier Carl Hurley are forced to radically alter plans. With dwindling supplies, the crew must navigate an underwater labyrinth to make it out.

Genres: Action, Thriller

What to watch after Sanctum

• San Andreas (2015) — Ioan Gruffudd appears in both
• 47 Meters Down (2017) — Same feel: tense, suspenseful
• Underwater (2020) — Same feel: tense, suspenseful
• Pressure (2015) — Same subject: scuba diving
• Open Water (2003) — Same subject: scuba diving
• Below (2002) — Same subject: diving