Curious where to watch Under Salt Marsh on any screen you like? Under Salt Marsh is currently available to stream via subscription, rental, or purchase on in the US.
Here are a few useful insights about the Sky Atlantic series. Originally premiering January 30th, 2026, "Under Salt Marsh" stars Kelly Reilly, Rafe Spall, Jonathan Pryce, Naomi Christie. The show spans 1 season(s) and currently holds a 81/100 rating on TMDb, which comes from reviews from 8 engaged users.
Curious about the story? Here’s the plot: "Morfa Halen is a tight-knit Welsh town precariously nestled between towering mountains and a fast-encroaching sea that threatens its very existence. As a once-in-a-generation storm begins to gather far out at sea, former detective turned teacher Jackie Ellis discovers the body of her 8-year-old pupil, Cefin, seemingly drowned. The discovery sends shockwaves through the community, reviving the ghost of an unsolved cold case that rocked the town three years prior - the disappearance of Jackie’s niece, Nessa, which cost her career."
