How many episodes are in Under Salt Marsh?

Under Salt Marsh has 6 episodes in this listed season.

When does Under Salt Marsh premiere?

Under Salt Marsh premieres on 2026-01-30.

Is Under Salt Marsh a new series?

Under Salt Marsh is a new series (Season 1).

NEW

Under Salt Marsh(2026)

Also known as Sous le marais salé • Bajo la marisma

Archived · Sky Atlantic

18+6 eps

S01

CrimeThriller

ON AIR: JAN 30Season 1Archived listing

What to Expect

PremiereLens read

Under Salt Marsh is a closed-ended British crime thriller, the kind that builds a single mystery and sees it through to a resolution rather than leaving threads dangling for a second season. The marshland setting shapes the mood from the start, trading urban noise for something quieter and more suffocating, where geography itself becomes a kind of pressure.

A student-teacher dynamic runs through the story, and in a community this small, that relationship carries weight in every direction. Suspicion has nowhere to travel far; the limited cast and tight geography mean motives stay close and personal, and the dread accumulates through proximity rather than incident.

Best for

small-town crime, marshland dread and Crime

Story lane

Crime and Thriller

Commitment

Season 1 · 6 episodes

Where

Sky Atlantic

Official Premise

Crime thriller series set in the marshlands.

Watch Next If This Is Your Lane

Start with the closest match, then check out two more shows with a similar feel, pace, mood, or theme.

The Chelsea Detective

Acorn TV • Aug 3, 2026

CrimeMystery

A detective living on a battered houseboat investigates crimes among Chelsea’s affluent elite after separating from his art dealer wife. Working with a colleague and drawing on his local roots, he follows a trail of witnesses and suspects through the community to uncover the truth.

View show

Strongest Match

The Chelsea Detective keeps the same tight British crime focus as Under Salt Marsh, with small communities and close proximity turning every conversation into a pressure cooker. Expect weekly murder cases resolved through tense witness interviews and class friction, plus a lead living with domestic unease, while Under Salt Marsh stays more contained and marshland-dread heavy.

Karen Pirie

ITVX • Jul 20, 2025

DramaCrime

When a historic murder case in St Andrews becomes the subject of a true crime podcast, fearless DS Karen Pirie is tasked with solving it.

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Why this pick

Karen Pirie delivers the same patient, story-based mystery feel, with pressure building through careful reinvestigation and uncomfortable memories. Under Salt Marsh viewers will get that methodical cold-case tension, where flashbacks and present-day interviews tighten the net around the same community, but Karen Pirie leans colder and more procedural, with less student-teacher warmth.

The Hack

ITVX • Sep 24, 2025

Drama

While a journalist uncovers evidence of phone hacking at a tabloid newspaper, a former police detective looks into the unsolved murder of a private investigator.

View show

Why this pick

The Hack keeps the same tight British crime focus as Under Salt Marsh, with a contained miniseries that builds dread through close, character-driven investigation. Tabloid corruption and a cold-case murder bring real personal risk, while the interlocking journalist and detective threads keep the pacing tense and methodical rather than action-heavy.

Want the bigger picture?

Get recommendations from a show you love See 3 more shows like Under Salt Marsh

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