Under Salt Marsh backdrop
Under Salt Marsh poster
TV SeriesEnded

Under Salt Marsh

Episode Ratings

IMDb ratings graph for every episode of Under Salt Marsh across all 1 season.

2026 · 1 seasons · Sky One · Crime · Mystery
IMDb
6.3
6k ratings
TMDB
6.6
68 ratings
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Episode Ratings

Season-by-season heatmap · hover a cell for details

Episode ratings

Rating:MasterpieceExcellentGoodAveragePoorN/A
S1
E1
6.8
E2
7.0
E3
6.7
E4
6.7
E5
6.9
E6
6.7
AVG
6.8

Overview

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.

NetworkSky One
Runtime~60 min
Seasons1

Under Salt Marsh holds an IMDb rating of 6.3 from 6K votes. Across its 6 rated episodes, the highest-rated is S1E2 "Episode 2" at 7.0, and the lowest is S1E3 "Episode 3" at 6.7. Season 1 is the strongest, averaging 6.8 per episode. Explore the full episode ratings graph below, season by season.

Peak7.0
S1E2Episode 2
Low point6.7
S1E3Episode 3

Averages 6.8 across 6 rated episodes — strongest run is Season 1 at 6.8.

Average by season

Season 16.86 eps

Top-rated episodes

1S1E2Episode 27.0
2S1E5Episode 56.9
3S1E1Episode 16.8
4S1E3Episode 36.7
5S1E4Episode 46.7

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Frequently asked questions

How many episodes does Under Salt Marsh have?

Under Salt Marsh has 6 episodes across 1 season.

How many seasons does Under Salt Marsh have?

Under Salt Marsh has 1 season.

What is Under Salt Marsh's IMDb rating?

Under Salt Marsh holds an IMDb rating of 6.3 from 6K votes.

What is the highest-rated episode of Under Salt Marsh?

The highest-rated episode of Under Salt Marsh is S1E2 “Episode 2”, rated 7.0 on IMDb.

What is the lowest-rated episode of Under Salt Marsh?

The lowest-rated episode of Under Salt Marsh is S1E3 “Episode 3”, rated 6.7 on IMDb.

Which season of Under Salt Marsh is the best?

Season 1 is the highest-rated, averaging 6.8 per episode.