Icelanders voted Saturday on whether to reopen negotiations to join the European Union, and the early returns show a race so tight it could tip either way — with the stakes being nothing less than whether a nation of 400,000 hands control of its fishing waters, its currency, and its laws to 27 other countries in Brussels.

Why it matters: Every time a small country folds into the EU superstate, the world gets one fewer sovereign partner and one more district governed by unelected commissioners. For Americans, an independent Iceland is a rational ally; an Iceland absorbed into the Brussels blob becomes another vote in a bloc that routinely operates against U.S. interests.

Polls closed at 10 p.m. local time, and Iceland's broadcaster RÚV reported the "yes" camp with a narrow lead hours after voting ended. More than 20% of eligible voters cast early ballots — a sign of how intensely the country feels the question.

Prime Minister Kristrún Frostadóttir, who has led a pro-EU coalition since late 2024, told reporters outside a Reykjavik polling station: "This is a good day. We have now reached the point where this is in the hands of the nation. Either we enter these negotiations, seek a good agreement and then see what happens, or we put the discussion about the European Union aside, at least for the time being."

Frostadóttir has argued that Iceland already adheres to roughly 75% of EU rules and that membership "is not fundamentally going to change every aspect" of the economy, as she put it in a July podcast interview. That's the sales pitch: you're already living under the rules, so why not get a seat at the table?

The opposition's answer: fishing. Iceland's cod and haddock catches are central to both its economy and its national identity. Joining the EU means submitting to the bloc's common fisheries policy — which would let Spanish, Dutch, and other foreign trawlers into Icelandic waters. The government says it would seek a full opt-out, but Brussels has a long track record of promising exemptions and then slowly tightening the noose once a country is locked in.

Iceland formally ended its last EU bid in 2015, also over fishing rights. Those talks started after the 2008 banking collapse left the country desperate. Now the same argument is back, with a new wrinkle.

AP News framed the referendum heavily around President Trump's stated interest in controlling Greenland, noting that Trump "mistakenly named" Iceland four times while discussing Greenland and that some Icelanders now fear they could be next. The implication: EU membership could serve as a bulwark against American ambitions in the North Atlantic. NPR, by contrast, barely mentioned the Greenland angle and focused on the economic sovereignty question — the fisheries, the currency, the króna's potential replacement by the euro.

A "yes" vote does not make Iceland an EU member. It simply restarts negotiations across 35 policy areas — from the economy to human rights — and any final deal would go back to voters in a second referendum. But the trajectory is clear: once talks begin, the institutional gravity of Brussels pulls hard in one direction.

The real question for Iceland is whether a nation descended from Vikings, built on some of the richest fishing grounds in the North Atlantic, wants to trade sovereign control of those waters for a seat at a table where it will always be the smallest voice.