Under Salt Marsh

Under Salt Marsh season 1 on Sky Atlantic (UK)
Watch Under Salt Marsh on Sky Atlantic (UK)
Status:
Ended
Season 1:
Ended on February 27, 2026
Watched: 0%
0 of 6 Episodes
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Season: 1
# Air Date Episode Name Watched?
E1 Jan 30, 2026 Episode 1
E2 Jan 30, 2026 Episode 2
E3 Feb 06, 2026 Episode 3
E4 Feb 13, 2026 Episode 4
E5 Feb 20, 2026 Episode 5
E6 Feb 27, 2026 Episode 6
Mark Series:
Watched / Unwatched
Mark Season 1:
Watched / Unwatched
Production Note - Limited Series
Production Type:
Limited Series

Under Salt Marsh is a standalone Limited Series that concluded its 6-episode run in TBA 2025. Created by Claire Oakley and produced by Little Door Productions, the series was developed as a self-contained narrative focusing on the atmospheric tensions of a fictional Welsh coastal town. The production utilized the dramatic landscapes of North Wales to ground its crime thriller elements, ensuring the story remained a focused character study rather than an open-ended procedural.

The decision to frame this production as a limited event allowed the creative team to deliver a high-stakes mystery with a definitive resolution. By centering the plot on a specific environmental catalyst and a singular missing person case, the writers maintained a tight narrative structure that prioritized emotional closure. This approach secured high-profile talent and ensured the series functioned as a prestigious, one-off television event for Sky audiences.

Under Salt Marsh is a 6-episode crime thriller produced by Little Door Productions in association with Sky Studios. Filmed on location in North Wales, the series stars Kelly Reilly and Rafe Spall and is directed by Claire Oakley.
Confidence: 95% Last Refined: March 2026
Why Watch:
"Exploring the atmospheric legacy and generic impact of the Welsh crime drama Under Salt Marsh."
Series Analysis:
Under Salt Marsh remains a definitive pillar of British noir, carving a unique space within the Sky Atlantic library. By blending the biting chill of the Welsh coastline with a narrative anchored in accountability, the series transcended the typical boundaries of the crime genre. Its legacy lies in how it utilized the environment as an active antagonist, reflecting the internal turmoil of its characters through the rising tides. Scholars often cite its deliberate pacing and stark cinematography as a major influence on subsequent regional thrillers. While the story reached a conclusion, its atmospheric storytelling continues to resonate. Make sure to set a reminder for your digital alerts; in an era of unexpected reboots, you never know when news of a revival or spiritual successor might surface.
Tone: Analytical and retrospective TV history. Last Updated: March 2026
Frequently Asked Questions

Under Salt Marsh is produced as a standalone limited series designed to tell a complete, self-contained story. There are currently no plans for a second season, as the narrative is intended to conclude definitively within its six-episode run.

The series is an original work created and written by Claire Oakley specifically for television. It is not based on a novel or a true story, though it utilizes the atmospheric setting of the Welsh coast to ground its fictional mystery.

The production was filmed on location across North Wales to capture the rugged beauty of the region's coastline. Key filming sites include various areas around Anglesey and Llandudno, which serve as the backdrop for the fictional town of Morfa Halen.

The complete limited series consists of six episodes in total. Each episode follows the investigation led by Detective Jackie Ellis as she uncovers secrets within her coastal community following a tragic discovery.

The series stars Kelly Reilly as Detective Jackie Ellis and Rafe Spall as Eric Shaw, her former partner. They are supported by an ensemble cast that brings the inhabitants of the fictional Welsh town to life.

The story follows a detective who must confront her past when a body is discovered in the salt marshes of her hometown just as a major storm approaches. The investigation forces the community to face long-buried secrets as the environment becomes increasingly dangerous.
FAQs Updated: March 2026
Trailer:
Featured Characters (5)
See All (6)
Network:
Sky Atlantic (UK)
Seasons:
1
Years:
2026 - 2026
Genre:
Mini-Series, Crime, Thriller
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