The series tells the story of the Pogues in the titular town as they seek to narrow the economic gap, though they face trouble from law enforcement and a local gang.
In an interview with TUDUM, series creators Josh Pate, Jonas Pate and Shannon Burke said that the feature-length finale for the fourth season would "set the stage for an epic fifth and final season", with the trio also sharing a heartfelt note to fans of the show.
"Dispatch to all Pogues," began the note. "Seven years ago, in the summer of 2017, we came across a photo of teenagers on a beach at dusk during a power outage. That photo sparked an idea for a story of four best friends who only want to have a good time all the time.
"From this beginning, we imagined a mystery that would lead to a five-season journey of adventure, treasure hunting and friendship. At the time seven years ago, it seemed impossible that we would really get to tell the whole five season story, but here we are, at the end of our fourth season, still chopping away.
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"The fourth season was our longest and hardest - but most rewarding - to produce. The season ends with a feature-length episode, which we think is our best, most powerful episode. We hope you feel the same way."
The news was also announced via the show's official social media channels, with a post on Instagram showing the characters posing in front of the camera as the caption read: "The ride ain't over yet. OBX 5."