Iceland has definitively rejected resuming negotiations for full membership in the European Union, halting a process previously underway. The decision, confirmed recently, throws into question the EU's strategic ambitions in the Arctic region, where Iceland’s cooperation is considered vital. Brussels views Iceland's participation as key to managing resources and exerting influence in the increasingly important Arctic. While Iceland benefits from access to the EU single market, it is hesitant to cede sovereignty. This rejection follows a period of stalled talks and reflects a shift in Icelandic political sentiment. The move complicates EU efforts to present a united front regarding Arctic policy and resource control amid growing international interest and competition in the region.