Outer Banks has introduced plenty of monstrous fathers over five seasons, but none of them murdered their own child. Chandler Groff did.
By the time Outer Banks Season 4 ended, Groff had gone from a grieving, mysterious mansion owner to the man responsible for JJ Maybank’s death, revealed in the same season to be his biological son. That twist reshaped the entire final chapter of the series, sending the Pogues into Season 5 chasing both the Blue Crown and revenge.
Here’s everything worth knowing about the man behind it.
Chandler Groff’s True Identity: How Wes Genrette’s Son-in-Law Killed JJ
Chandler Groff, played by J. Anthony Crane, first appeared in Season 4 as Wes Genrette’s son-in-law, hosting the Pogues at his mansion during their latest treasure hunt.
He came across as unsettling from the start, though his real motives stayed hidden while Wes was alive. Once Wes died, Groff became the one pushing the group forward, and his agenda quickly turned personal.
Season 4 revealed that Groff married into the wealthy Genrette family and killed his wife, Larissa, for financial gain. He then abandoned their infant son with Luke Maybank, paying him to raise the boy as his own. That son was JJ. The reveal recontextualized JJ’s entire arc, since he had always identified as a true Pogue only to learn he was a Kook by blood.
The Season 4 finale pushed Groff into full villain territory. JJ handed over the Blue Crown to save Kiara’s life, and Groff stabbed him anyway.
Groff told his dying son, “You could’ve stuck with me, JJ. Think what you could’ve had. But now you’re going to get nothing. Nothing.”
JJ’s defiant response, “No, I already have everything. I have everything I’ve ever wanted. Things that you’ll never have,” became one of the show’s most quoted lines before his death sent the remaining Pogues into Season 5 with one shared goal.
Related: Outer Banks Season 5 Ending Explained: What Happened Between Kiara and Groff?
Why Did Chandler Groff Kill JJ? The Villain’s Motive Explained
J. Anthony Crane has spoken about what drives Groff, and the actor frames it less as a twist and more as an inevitability. He connects Groff’s arc to the show’s long-running theme of class struggle, the same force that turned Ward Cameron into a villain.
“He’s found that it didn’t bother him from an early age to do some of the things that he did, letting his child go, obviously what he did to his wife,” he told The Direct. “I think that turned him ugly over time. You just become a monster over time. It’s like Dorian Gray’s painting after a while. There’s just nothing left that’s pretty inside.”
Crane’s comments line up with what Season 5 eventually confirmed. Groff wasn’t chasing the Blue Crown purely for money. He wanted to use its rumored power to bring Larissa back, the same woman he killed. Season 5 also revealed the full scope of his body count, connecting him to the deaths of Omar, Wes Genrette, Larissa, and Hollis, on top of JJ.
Season 5 sent the Pogues from Morocco to Lisbon and eventually back to the Outer Banks, with Groff staying just out of reach at every turn. He escaped a murder charge when Sheriff Shoupe couldn’t make it stick, tried to kill Rose and Wheezie, and attempted to drown Kiara at a masquerade ball, all while still hunting for the Crown.
His final stand came during Hurricane Cassandra, holed up with a stolen boat and the Royal Merchant gold, trying to reach Venezuela before Kiara caught up to him one last time.
Groff’s ending closed out the arc that defined the entire final season. Kiara, who had been chasing him since watching JJ die, finally got her confrontation aboard that boat as the storm bore down on them both. The fight ended with Groff going overboard and drowning, giving Kiara the closure the show had been building toward since the Season 4 finale.
Outer Banks Season 5 is now streaming in full on Netflix.
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