The final episode of Under Salt Marsh aired on February 27, 2026, and it left viewers with a mix of emotions. The British crime thriller, set in the fictional Welsh town of Morfa Halen, wrapped up its main mystery by revealing who killed the two children. But the way the story ended has many people asking one simple question: will there be a second season? Here is everything you need to know about the future of the show, based on what the creator and cast have actually said.
The Ending of Under Salt Marsh Explained Simply
For those who need a quick recap, the finale tied up the central murder case. It was Mac Jones, played by Brian Gleeson, who killed both Nessa and Cefin. He was disposing of toxic waste at the Sunnyside amusement site, using it to build the sea wall. When the children accidentally found the site and got injured by the waste, Mac killed them to protect his secret and his reputation in the town .
In the final moments of episode six, Mac gets arrested. Jackie Ellis (Kelly Reilly) finally tells her younger boyfriend Dylan Rees (Harry Lawtey) that she is pregnant. Detective Eric Bull (Rafe Spall) decides to take a break from police work and possibly travel to France with his love interest Gareth. Meanwhile, the townspeople start cleaning up after the massive storm flooded their homes. However, one character, Ned Bevan, escapes on a boat and his fate is left unknown .
Is Under Salt Marsh a Limited Series or an Ongoing Show?
This is the most important detail for fans hoping for more. Under Salt Marsh was created and marketed as a “miniseries.” A miniseries is a show that tells a complete story in a set number of episodes with no intention of continuing. The official synopsis and the way the story is structured—solving the specific crime that haunted the town—suggest that the tale of Nessa and Cefin is finished .
However, in today’s television world, a “miniseries” label does not always guarantee a show is dead. If viewership is high and the creator has another story to tell, networks often revive limited series for a second run, sometimes calling it an “anthology” or simply a new season with the same characters.
What the Creator Says About Under Salt Marsh Season 2
The most reliable information comes directly from the show’s creator, Claire Oakley. In an interview published on February 26, 2026, just before the finale aired, she spoke with Variety about the possibility of continuing the show .
When asked directly if audiences will see Jackie and Bull team up again for a second season, Oakley did not confirm anything. She explained that the show was designed to solve the mystery of the two children. But she left the door slightly open. Oakley mentioned that she loves the characters and the world they live in. She hinted that if there were to be more, it would likely explore the aftermath of the storm and how the community rebuilds, rather than just another murder case.
The creator did not announce any plans or confirm that she is writing a second season. She simply stated that the idea of returning to Morfa Halen is not something she would immediately dismiss, but for now, the story they set out to tell is complete .
The Cast’s Reaction to the Ending
The actors themselves were surprised by the twists in the script. Naomi Yang, who plays DC Jess Deng, told the Radio Times on February 26, 2026, that she was “shocked” when she learned who the killer was. She praised the writing, saying that even though it was a surprise, it “makes sense” once you look back at the clues .
Yang also spoke about her character’s journey. At the end of the finale, Deng and Bull have a moment of understanding. He admits she was right to trust Jackie, and she agrees to meet him halfway. Yang described this as “huge growth” for both characters. This kind of character closure usually indicates that the writers considered this a final chapter for these people, at least for now .
What the Final Episode Means for a Potential Season 2
Looking at the final scenes of episode six, the show feels like it has reached a natural stopping point. Jackie has solved the case that ruined her life and career. She has accepted her pregnancy and is ready to move forward with Dylan. Bull is leaving the force to find personal happiness. The town survived the storm.
However, there is one loose thread. Ned Bevan is still missing. His father, Solomon Bevan (Jonathan Pryce), called him a coward, but no one knows where he went or if he survived the storm. This small open door is the only hint that a writer could use to pull the characters back together. If the Bevan family faces legal trouble for their illegal waste dumping, or if Ned returns with a new threat, Jackie and Bull might have a reason to reunite .
Where to Watch and Global Availability
For those who want to catch up or watch the finale, the full six-episode series is available on different platforms depending on your location.
In the United Kingdom, the show airs on Sky Atlantic and streams on NOW. It was released weekly starting January 30, 2026, with the finale landing on February 27 . In India, the series is available on JioHotstar, with new episodes added on Saturdays . For viewers in the USA, Canada, and Australia, distribution deals have not been fully detailed yet, but the series is expected to land on a major streamer or network soon given the involvement of Kelly Reilly, who is famous worldwide for Yellowstone .
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The Reality: A Second Season Is Unlikely Right Now
Based on all available facts, a second season of Under Salt Marsh is not confirmed. The creator has not begun writing it. The network, Sky, has not announced a renewal. The show was planned as a one-time story. While the cast has expressed love for the project, they are currently not attached to any future episodes.
That said, the entertainment industry is unpredictable. If the streaming numbers are massive and audiences demand more, Sky and the producers at Little Door Productions might sit down with Claire Oakley to discuss a new story. For now, fans should treat the finale as the true ending. The mystery is solved, the killer is caught, and Jackie finally has peace.
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