In a decisive referendum, Iceland chose to remain outside the European Union, a vote that carries weight far beyond the island's modest population or economic footprint. The result reflects a deep and enduring human tension between the promise of collective belonging and the instinct to guard one's own sovereignty, waters, and way of life. For Brussels, the rejection arrives at a moment when enlargement had been cast as a geopolitical imperative, and Iceland's no forces a reckoning with whether the EU's vision of itself is as compelling to others as it is to its architects.