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Trailer

Under Salt Marsh

2026Show1 season6 episodes

78

GreatGoodWatch score

78

GreatGoodWatch score

Rotten Tomatoes

Summary

Morfa Halen is a tight-knit Welsh town precariously nestled between towering mountains and a fast-encroaching sea that threatens its very existence.

Good for

Friends night
Teens
Binge-friendly

Skip it if

You want something to laugh at
You need an uplifting mood
You want fast pacing

Where to watch

Set your services

Not streaming in United States. Where it is:

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Not for laughs, warmth or comfort.

Shows with

Under Salt Marsh episodes

1 season · 6 episodes

Crew

Directors: Claire Oakley, Mary Nighy
Written by: Nikita Lalwani, Claire Oakley, Jonathan Harbottle
Produced by: Scott Bassett
Music by: Ben Salisbury, Suvi-Eeva Äikäs

Everyone

Pick a department, or search for a name or a job (“editor”, “stunt”).

Facts

January 30, 2026 · February 27, 2026 · Ended

First aired: January 30, 2026
Last aired: February 27, 2026
Status: Ended
Length: 1 season · 6 episodes
Content: Violence, Disturbing Imagery, Suicide Themes
Genres: Crime, Mystery
Original language: English
Made in: United Kingdom
Available in: 36 countries

Q&A

4 questions, like "Where can I stream Under Salt Marsh?"

Questions about Under Salt Marsh

Quick answers from GoodWatch data.

Where can I stream Under Salt Marsh?

It streams in 32 other countries, but not in the United States.

Is Under Salt Marsh worth watching?

78

GreatGoodWatch score

Mostly, it's well received, with a GoodWatch score of 78 (IMDb 6.3 and Rotten Tomatoes 100%). Critics rate it higher (100 out of 100) than audiences (51).

How long does it take to watch Under Salt Marsh?

6 h

About 6 hours: 6 episodes in 1 season of about 60 minutes each, aired from 2026 to 2026.

Will I feel good after watching Under Salt Marsh?

BleakHopeful

Probably not: the title analysis rates it 9 of 10 for melancholy and 8 for bleakness, against 3 for hopefulness.