What treasure does Outer Banks Season 5 follow after the Season 4 finale?

The Blue Crown is the treasure followed by Outer Banks Season 5 after the Season 4 finale.

The Blue Crown becomes the central object of the Season 4 treasure hunt. The Pogues decode a map, travel to Morocco, and eventually locate the crown during the finale.

The crown is distinct from the Royal Merchant gold, which drove the earliest seasons, and from El Dorado, which was discovered in Season 3. Blackbeard’s amulet is another Season 4 artifact, but it is not the same treasure as the Blue Crown.

The Season 5 story begins after the crown has been lost again. Its disappearance leaves the Pogues facing both a new treasure problem and the personal consequences of JJ’s death.