Under Salt Marsh
- Crime
- Mystery
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.
Under Salt Marsh is a Welsh crime mystery series premiering January 30, 2026, that follows former detective Jackie Ellis as she discovers a drowned child in her small coastal town. The discovery reopens a three-year-old cold case involving her own niece's disappearance, threatening to unravel dark secrets in the tight-knit community of Morfa Halen.
When does Under Salt Marsh come out?
Where to watch
Streaming availability in United States
United StatesNot available on any tracked streaming service in United States right now.
Available in: Andorra · Albania · Bosnia and Herzegovina · Bulgaria · Canada · Czechia · +22 more
Under Salt Marsh is streaming in another region
Available to stream in Andorra Albania Bosnia and Herzegovina Bulgaria+24 more— but not in United States.
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Where to watch Under Salt Marsh by country
United Kingdom
Greece
Germany
France
Spain
Italy
Canada
Australia
BrazilTop cast
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Kelly ReillyJackie Ellis
Rafe SpallEric Bull
Jonathan PryceSolomon Bevan
Naomi YangJess Deng
Harry LawteyDylan Rees- Bevan ThomasBevan Bevan
Leisa GwenllianKath Bevan
Mark StanleyDanny Hill
Trailer
Official Trailer
Seasons
1 season
Episodes · Season 1
Full season| # | Title | Air date | Runtime | Rating |
|---|---|---|---|---|
| 01 | Episode 1 | 2026-01-30 | 52m | 5.6 |
| 02 | Episode 2 | 2026-01-30 | 56m | 5.6 |
| 03 | Episode 3 | 2026-02-06 | 51m | 5.6 |
| 04 | Episode 4 | 2026-02-13 | 51m | 3.3 |
| 05 | Episode 5 | 2026-02-20 | 48m | 4.8 |
| 06 | Episode 6 | 2026-02-27 | 47m | 7.0 |
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Other titles fans of Under Salt Marsh tend to follow.
Is Under Salt Marsh renewed or cancelled?
Under Salt Marsh has ended — it concluded its planned run.
Under Salt Marsh — frequently asked
When does Under Salt Marsh release?
Under Salt Marsh premieres on January 30, 2026 (confirmed release date).
How many seasons does Under Salt Marsh have?
Season 1 is the only season tracked for this series, which has ended.
What is Under Salt Marsh about?
The series follows Jackie Ellis, a former detective turned teacher in the Welsh town of Morfa Halen, who discovers her young student drowned. This discovery revives an unsolved disappearance from three years earlier involving her own niece, Nessa.
Where is Under Salt Marsh set?
The series is set in Morfa Halen, a tight-knit Welsh coastal town nestled between mountains and threatened by an encroaching sea.
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